Ch 18 Free Essays

Part 18 Ethers Epoxides; Thiols and Sulfides Assigned Reading from McMurry: Read Sections 18. 1 through 18. 9; not answerable for â€Å"Focus on †¦ Epoxy Resins Adhesives, pp. We will compose a custom exposition test on Ch 18 or then again any comparable subject just for you Request Now 697-698). Suggested Problems from McMurry: 18. 1a-e;18. 18. 2;18. 3a-d; 18. 4; 18. 5a-d; 18. 6a-b; 18. 7a-b; 18. 8; 18. 9; 18. 10; 18. 11; 18. 12a,b; 18. 13a,b; 18. 14a-c; 18. 16a-f; 18. 17; 18. 18; 18. 19a-c; 18. 20; 18. 21; 18. 22; 18. 23a-e; 18. 24a-I; 18. 25a-f; 18. 26a-d; 18. 27; 18. 28; 18. 29ad; 18. 30a-e; 18. 31; 18. 32; 18. 33; 18. 34; 18. 35a-d; 18. 36; 18. 37; 18. 38; 18. 39; 18. 40a,b; 18. 41a-d; 18. 2; 18. 43; 18. 44; 18. 45; 18. 45; 18. 46; 18. 47; 18. 48; 18. 49; 18. 51; 18. 52; 18. 53; 18. 54; 18. 551-e; 18. 56; 18. 57; 18. 58a-b; 18. 59a-b; 18. 60; 18. 61. 18. 1 Names and Properties of Ethers Method A: Simple ethers; order if two natural substituents. CH3â€CH2â€Oâ€CH2â€CH3 Diethyl ether Methyl propyl ether O CH3â€CH2â€CH2â€Oâ€CH3 CH3 Methyl phenyl ether SP 18. 01 Provide methodical names for the accompanying ethers. CH3â€CH2â€Oâ€CH2â€CH2â€CH2â€CH3 O SP 18. 02 Provide structures for the accompanying efficient names. Orderly na me: Isopropyl phenyl ether Systematic name: Cyclohexyl ethyl ether Technique B: Other practical gatherings present, ether segment is a â€Å"alkoxy† substituent. Alkoxy models: methoxy - OCH3, ethoxy - OCH2CH3, propoxy - OCH2CH2CH3, and so on. O C H3 O CH3 O C H3 para-Dimethoxybenzene 3-Methoxy-1-cyclopentene SP 18. 03 Provide orderly names for the accompanying complex ethers. OCH3 O CH2CH3 Cl SP 18. 04 Provide structures for the accompanying orderly names. Deliberate name: meta-Bromopropoxybenzene Systematic name: 1-Isopropoxycyclopentene 18. 2 Synthesis of Ethers The Williamson Ether Synthesis R + O an alkoxide C X R SN2 an alkyl halide methyl 1o best; X = Cl, Br, I, OTos O C ether item Model: O Na + Sodium phenoxide CH3 Br O CH3 Phenyl methyl ether (anisole) + Na Br + X SP 18. 05 Complete the accompanying responses. CH3 C O Na + CH3 I + Na I CH3 C CH3 I + Na O CH3 + Na I SP 18. 06 Provide the reasonable alkoxide and alkyl halide important to create 2-ethoxy-2-methyl butane in great yield. CH3 CH2 C O CH3 CH2 CH3 + Na Br 8. 4 Oxymercuration Intermediates †¢ For research center scale hydration of an alkene †¢ Use mercuric acetic acid derivation in THF followed by sodium borohydride Markovnikov direction †through mercurinium particle Alkoxymercuration of Alkenes General Reaction: R C 2) NaBH4 H C R Ether Alkene RO Step #1 RO C 1) Hg(OAc)2, ROH H g OA C Step #2 R + HOAc Markovnikov expansion SP 18. 07 Complete the accompanying responses by showing the last significant natural item. H C 1) Hg(OAc)2, CH3OH H C 2) NaBH4 H CH3 C H CH3 1) Hg(OAc)2, CH3OH 2) NaBH4 SP 18. 08 Specify the alkene and liquor expected to create the accompanying ether. Liquor OCH2CH3 1) Hg(OAc)2, CH3 2) NaBH4 Alkene 18. 3 Reactions of Ethers: Acidic Ether Cleavage General Reaction: HX C O C OH + X C (solid corrosive) Ether Alcohol Alkyl halide SP 18. 09 Predict the item for the accompanying ether-cleavage response. CH3 C O CH3 HBr CH2CH3 8. 4 Reactions of Ethers: Claisen Rearrangement O OH 1,3 O to C move Thermodynamically progressively stable o 250 Allyl phenyl ether C9H10O ortho-Allyl phenol C9H10O Mechanism (includes six-membered change state): 1 O TS 2 3 1 O 2 H keto-enol tautomerization 3 O H SP 18. 10 Predict the structure for the accompanying Claisen improvement. O 250 2-Butenyl phenyl ether C10H12O 18. 5 C yclic Ethers: Epoxides (2 strategies) General Reaction 1: O C + R Alkene C O C H A peracid C An epoxide R C O A carboxylic corrosive Specific Example 1: O Cl C O H m-CPBA o H O + CH2Cl2, 25 C H 1,2-Epoxycycloheptane Cl H C O H 18. Cyclic Ethers: Epoxides (2 strategies) General Reaction 2: C OH X2, H2O C X A halohydrin Alkene O NaOH H2O C + H2O + NaX C An epoxide Review Section 7. 3 Specific Example 2: H CH3 C H CH3 cis-2-Butene Br2 H2O H CH3 Br C OH C H CH3 NaOH H2O O HC CH3 C H + H2O + NaBr CH3 meso-2,3-Dimethyl-oxirane (or cis-2,3-epoxybutane) SP 18. 11 Fill in the fitting intermediates indicating the right stereochemistry. H CH3 C CH3 Br2 NaOH H H2O trans-2-Butene + H2O + NaBr 18. 6 Reactions of Epoxides: Ring-Opening General epoxide structure: O C Since every molecule is sp3 there is significant point strain in the epoxide ring-framework. C Acidic Conditions: Epoxide opening under acidic conditions (fluid corrosive) yields 1,2-diols General Reaction: H O C H C HO C H2O An epoxide C OH A 1,2-diol (glycol) H O C H C + O H O C + C H O H O H Specific Example (utilizing even epoxide): H + H H3O OH H2O OH O H trans-1,2-Cyclohexanediol SP 18. 12 Predict the right structure of the item diol demonstrating the right stereochemistry. O H CH3 C CH3 H trans-2,3-epoxybutane H3O+ H2O Note: Epoxide opening under anhydrous acidic conditions yields halohydrins. Explicit Example (2â ° and 1â ° carbons): o 1 carbon o 2 carbon O CH3 H C H 1,2-Epoxypropane Gracious HCl Et2O CH3 C Cl CH2 Cl + CH3 H 1-Chloro-2-propanol (90%) C CH2 OH H 2-Chloro-1-propanol (10%) SP 18. 13 Using the above model foresee the major halohydrin. O H C H C HCl H Et2O O H C H HCl OH C Et2O H Cl CH2 Cl + C CH2 OH H Explanation: In situations where a 2â ° carbon and a 1â ° carbon structure the epoxide ring, the major halohydrin item will be where the early liquor is 2â ° and the halide is 1â °. Endless supply of the epoxide oxygen the halide particle basic assaults the less-frustrated 1â ° carbon with a more noteworthy recurrence to give the major regioisomer. Explicit Example (3â ° and 1â ° carbons): SP 18. 4 Using the above model anticipate the major halohydrin. Circle one. O C H HCl OH C Et2O + C H Cl H C OH C H Explanation: In situations where a 3â ° carbon and a 1â ° carbon structure the epoxide ring, the major halohydrin item will be where the early liquor is 1â ° and the halide is 3â °. Endless supply of the epoxide oxygen the halogen assaults the more-balanced out (same as moresubstituted) carbon iota to give the major regioisomer depicted. Fundamental Conditions: Note: Nucleophile will consistently assault least-prevented position. Explicit Example: o 3 carbon 1o carbon O CH3 C H OH NaOH H2O, ? CH3 C CH2 OH CH3 - Methyl-1,2-propanediol SP 18. 15 Predict the structure of the 1,2-diol from the accompanying response. O C H NaOH H2O, ? Response with Grignard Reagents: O CH3 C H OH 1) CH3CH2MgBr, Et2O 2) (aq) NH4Cl CH3 C CH2 CH3 CH2 CH3 SP 18. 16 Predict the structure of the natural item from the accompanying Grignardepoxide response. O H C H 1) CH3MgBr, Et2O 2) (aq) NH4Cl Reaction with a 1â ° amine: O H C OH CH2 H H2NCH2CH2CH3 C CH2 N CH2 H Reaction with a 2â ° amine: O H C OH H H3C CH2 + N H3C H C CH2 N CH3 SP 18. 17 Predict the structure of the epoxide and amine expected to produce the amino liquor appeared to one side. Goodness + CH3 C CH3 Epoxide Amine CH2 N H 18. 7 Crown Ethers †¢ Large rings comprising of rehashing (- OCH2CH2-) or comparable units †¢ Named as x-crown-y †x is the all out number of particles in the ring †y is the quantity of oxygen molecules †18-crown-6 ether: 18-membered ring containing 6 oxygen iotas †¢ Central hole is electronegative and draws in cations 18. 8 Thiols and Sulfides †¢ Thiols (RSH), are sulfur analogs of alcohols †Named with the addition - thiol †SH bunch is called â€Å"mercapto group† (â€Å"capturer of mercury†) Thiols: Formation and Reaction †¢ From alkyl halides by uprooting with a sulfur nucleophile, for example, â€SH The alkylthiol item can experience further response with the alkyl halide to give a balanced sulfide, giving a less fortunate yield of the thiol Sulfides †¢ Sulfides (RSR? ), are sulfur analogs of ethers †Named by rules utilized for ethers, with sulfide instead of ethe r for straightforward mixes and alkylthio instead of alkoxy Using Thiourea to Form Alkylthiols †¢ Thiols can experience further response with the alkyl halide to give dialkyl sulfides †¢ For an unadulterated alkylthiol use thiourea (NH2(C=S)NH2) as the nucleophile †¢ This gives a transitional alkylisothiourea salt, which is hydrolyzed neatly to the alkyl thiourea Oxidation of Thiols to Disulfides Reaction of an alkyl thiol (RSH) with bromine or iodine gives a disulfide (RSSR) †¢ The thiol is oxidized all the while and the halogen is decreased Sulfides †¢ Thiolates (RS? ) are shaped by the response of a thiol with a base †¢ Thiolates respond with essential or auxiliary alkyl halide to give sulfides (RSR’) †¢ Thiolates are incredible nucleophiles and respond with numerous electrophiles Sulfides as Nucleophiles †¢ Sulfur mixes are more nucleophilic than their oxygen-compound analogs †3p valence electrons (on S) are less firmly held th an 2p electrons (on O) †¢ Sulfides respond with essential alkyl halides (SN2) to give rialkylsulfonium salts (R3S+) Oxidation of Sulfides †¢ Sulfides are effortlessly oxidized with H2O2 to the sulfoxide (R2SO) †¢ Oxidation of a sulfoxide with a peroxyacid yields a sulfone (R2SO2) †¢ Dimethyl sulfoxide (DMSO) is regularly utilized as a polar aprotic dissolvable 18. 9 Spectroscopy of Ethers †¢ Infrared: Câ€O single-bond extending 1050 to 1150 cm? 1 covers numerous different retentions. †¢ Proton NMR: H on a C close to ether O is moved downfield to ? 3. 4 to ? 4. 5 †The 1H NMR range of dipropyl ether shows this sign at ? 3. 4 †In epoxides, these H’s assimilate at ? 2. 5 to ? 3. 5 in their 1H NMR spectra Carbon NMR: C’s in ethers display a downfield move to ? 50 to ? 80 Let’s Work a Problem When 2-methyl-2,5-pentanediol is treated with sulfuric corrosive, drying out happens and 2,2dimethylte

Gay; To Be or Not To Be Essay Example | Topics and Well Written Essays - 1000 words

Gay; To Be or Not To Be - Essay Example ut presence for an incredible duration †I realized that I needed to continue existing, and self destruction was not something that entered my thoughts excessively much (close to whatever other individual who has survived young years, most likely). For me the inquiry fixated on my sexuality. Who am I? I asked myself, and what's going on with I? Am I gay? These are questions that pained me for a lot of my development, and I spent an incredible bit of my advancement denying what my identity was. To be gay, or not to be gay, I asked myself, without understanding that the inquiry in being posed was most likely replied. It isn't care for I was an offspring of the fifties or sixties, experiencing childhood in while being gay was the best sin one would ever envision. When I had graduated secondary school it was the late eighties, and gay rights activists were at that point walking down roads in San Francisco and New York, scholastics were examining another Queer politic that was rising, and gay individuals wherever were being told â€Å"come out, you don't have anything to fear.† In any case, the issue is that this origination of being gay and coming out, that you know it inside yet decide to conceal it from society, isn't something that really happens all the time. Before having the choice of â€Å"coming out† to companions and family members, you must have an incredible interior discourse with yourself, and discover what your identity is. Doing this by itself in your adolescents isn't a simple thing, by no stretch of the imagination. I recollect the first occasion when I had a suspicion that I probably won't resemble every other person (or if nothing else, how I thought every other person was †thinking back now I’m sure I realized many closeted gay individuals growing up.) I was simply entering the ninth grade, when numerous individuals are first finding out about their sexuality, and I looked over my homeroom study hall at a dear companion who was sitting their, wearing spaghetti lashes (I had a fairly tolerant school) and cleavage to some degree uncovered. Presently this was somebody who I had known for nearly as long as I can remember, and a

Anarchy :: essays papers

Political agitation Political agitation is the hypothesis of life and lead under which social associations exist without government obstruction or help. It isn't confusion, nor psychological warfare, and has no association with silly brutality; disorder is essentially existing without being administered. Congruity in such a general public would be gotten not by accommodation to laws, or by acquiescence to any type of authority, however by unreservedly entered understandings between people. The United States has solid connections to turmoil, a fairly dumbfounding circumstance. It was brought about by, and is even right up 'til the present time continually being refined by agitators; individuals who keep up the view that the most noteworthy accomplishment of humankind is simply the opportunity of people to communicate unhindered by any type of outer suppression. Men, for example, any semblance of Thomas Jefferson, one of the establishing fathers, whose perspectives can best be summed up in something he lectured, On the off chance that you think individuals unequipped for practicing their decisions with healthy attentiveness, the arrangement isn't to remove their decisions, however to educate their caution. So where did the idea of turmoil originate from? Would it be able to be inborn in human instinct, a hold over from pre-adulthood maybe? Would it be able to be individuals are normally restricted to being determined what to do? Abraham Lincoln, during the celebrated Lincoln-Douglas discusses, said something that sums up human see towards being administered, No man is sufficient to oversee another man without that other's assent. The advanced idea of political agitation similar to a kind of moral common society came during the French Revolution, around 1848. A man named Pierre Joseph Pfoudhon imagined a general public wherein individuals' moral nature and sense of good duty would be so exceptionally built up that legislature would be pointless to direct and ensure society, and is along these lines credited with fathering present day turmoil. Turmoil requires a great deal of duty on the some portion of the person. How does the familiar adage go With opportunity comes obligation. On an individual level, nobody wishes to be commanded, yet at the same time the individual wouldn't like to be encroached upon by others. A Russian-American rebel and ladies' privileges lobbyist named Emma Goldman stated, I need full opportunity and participation to develop as an individual, to gain shrewdness and information. She doesn't allude to opportunity of others, only herself. Voracity of opportunities is reasonable in light of the fact that it is so difficult to believe others to consistently do what is acceptable. Socrates may react, To realize the great is to do the great. Can the possibility of a moral common society, a term instituted by Adam Michnik in Disorder :: articles papers Disorder Disorder is the hypothesis of life and lead under which social connections exist without government obstruction or help. It isn't confusion, nor psychological warfare, and has no association with silly brutality; turmoil is basically existing without being administered. Amicability in such a general public would be gotten not by accommodation to laws, or by acquiescence to any type of authority, however by unreservedly entered understandings between people. The United States has solid connections to political agitation, a fairly dumbfounding circumstance. It was brought about by, and is even right up 'til the present time continually being refined by revolutionaries; individuals who keep up the view that the most noteworthy accomplishment of mankind is simply the opportunity of people to communicate unhindered by any type of outer restraint. Men, for example, any semblance of Thomas Jefferson, one of the establishing fathers, whose perspectives can best be summed up in something he lectured, On the off chance that you think individuals unequipped for practicing their decisions with healthy carefulness, the arrangement isn't to remove their decisions, yet to illuminate their caution. So where did the idea of political agitation originate from? Might it be able to be inborn in human instinct, a hold over from immaturity maybe? Might it be able to be individuals are normally restricted to being determined what to do? Abraham Lincoln, during the celebrated Lincoln-Douglas discusses, said something that sums up human see towards being administered, No man is adequate to oversee another man without that other's assent. The cutting edge idea of political agitation similar to a kind of moral common society came during the French Revolution, around 1848. A man named Pierre Joseph Pfoudhon imagined a general public wherein individuals' moral nature and sense of good duty would be so profoundly built up that administration would be pointless to manage and secure society, and is consequently credited with fathering present day rebellion. Rebellion requires a great deal of responsibility on the some portion of the person. How does the familiar axiom go With opportunity comes obligation. On an individual level, nobody wishes to be commanded, yet at the same time the individual wouldn't like to be encroached upon by others. A Russian-American rebel and ladies' privileges extremist named Emma Goldman stated, I need full opportunity and collaboration to advance as an individual, to gain shrewdness and information. She doesn't allude to opportunity of others, just herself. Covetousness of opportunities is reasonable on the grounds that it is so difficult to believe others to consistently do what is acceptable. Socrates may react, To realize the great is to do the great. Can the possibility of a moral common society, a term authored by Adam Michnik in

Report on Portfolio Management for Investors - Free Essay Example

When investing in some securities, investors are expecting to receive returns, which will compensate the risks taken. Usually, investors form a portfolio, which involves a number of securities, and expect them to generate returns. However, by buying, for example, stocks of leading companies in flourishing industries is not a guarantee of high returns and the effectiveness of the portfolio. That is why investors should choose and apply the appropriate strategy of portfolio management. Today, there are two strategies, which can be implemented for effective portfolio management: the traditional approach based on a balance of the portfolio, its diversification (selecting of papers of well-known companies from different industries, which have a sufficient level of liquidity), and modern portfolio theory approach (constructing portfolios basing on the calculation of the correlation of investment instruments returns: negatively correlated investment may compensate for the failure of one instrument by increasing the profitability of others, while the maximum effect of diversification is achieved by combining a portfolio of negatively correlated investments). All investors, no matter how wealthy he/she is, aim to reach the specific goals, such as safety of the investments, their profitability/returns, and capital growth. The most reliable and secure securities are governm ent securities, which virtually eliminates the risk of the investor. More profitable securities are these of traded firms, but they have a high degree of risk. The most risky investments are stocks of young high-tech companies, but they may be most beneficial in terms of capital gains. Construction of the Portfolio As the major goal of portfolio is its diversification, only the right and wise portfolio structure can provide such diversification. So, constructing the portfolios structure is the essential step in portfolio management. If constructed well, the portfolio can bring significant returns. While being constructed poorly, it can lead to huge losses. The more aggressive an investment portfolio is, the higher the level of risk is and correspondingly higher possible returns are. Thus, the profitability of any investment is a kind of prize for that risk, which the investor takes. Due to the clients requirements of constructing the risky portfolio, the following promising industries have been analyzed: Consumer Goods, Basic materials, Technology, and Healthcare. The choice of industries is based on their influence on peoples lives and economy development. In these particular industries, the following sectors have been identified for further companies selection: services, biotechnology , sporting goods, gold, and communication equipment. According to Bodie (2009), when the economy on its contraction stage, it is advised to choose technology, financials, utilities, consumer durables, and health care sectors; when the economy on its expansion, it is advised to invest in materials, industrial, and energy (p.383). So, taking into account these recommendations, the sectors listed above have been chosen as targeted ones for investments. Asset Allocation Asset allocation is the essential part of the portfolio construction. There are two approaches of asset allocation: bottom-up and top-down. This particular portfolio was constructed using the top-down approach. Thus, the very first decision to be made is to choose between major asset classes, such as money market, bond market, and equity market. , in this case equity market is the most preferable class for allocation of assets. As far as the client is a wealthy person and aims to receive high returns by investing in high risk portfolio, the target securities to invest in are stocks. After deciding on assets class, it is necessary to identify the potential companies, in whose stocks investment will most likely be made. Stocks Selection After the targeted asset class has been identified, the following step is stocks selection. As far as the wealthy investor is interested in earning a high rate of return and is willing to take on substantial risk, therefore, high risk securities. Basing on this requirement and by analyzing historical prices performance for the past two years, ratios in comparison with industry and SP 500, and also taking into account analysts rating, and coefficients of correlation, the portfolio with following companies has been constructed: Aviat Networks, Inc. (AVNW), Codexis, Inc. (CDXS), Claude Resources, Inc. (CGR), DreamWorks Animation SKG Inc. (DWA), and Johnson Outdoors Inc. (JOUT). These companies are not listed in the SP 500 market index. According to analysis of past prices performance (Appendix 4), all stocks, except DWA, have been performing well with the increasing trend, while DWA experienced a decrease in stock price. During the two-year period, DWA reached its min. price of $27 .08 and max. price of $44; CDXSs min. price was $7.11 and max. price was $14.45; JOUTs min. price was $8.96 and max. price was $15.22; CGRs min. price was $0.92 and max. price was $2.3; AVNWs minimum price was $3.46 and maximum price was $7.87. Analysts stocks ratings also were taken into account in order to evaluate and forecast the future stocks performance. According to Zacks Investment Research (2011), DreamWorks Animation Skg Incorporated, a mid-cap growth company in the consumer services sector, is expected to significantly outperform the market over the next six months with average risk; Claude Resources Inc., a micro-cap growth company in the basic industries sector, is expected to underperform the market over the next six months with very high risk; Johnson Outdoors Inc., a small-cap value company in the consumer services sector, is expected to match the market over the next six months with above average risk. The major condition for creation a well-diversified portfo lio is choosing negatively correlated stocks. For revealing stocks, which will provide portfolio diversification, the correlation analysis was conducted. The results of this analysis are presented in the Appendix 2. According to this matrix, DWA is negatively correlated with both JOUT (-0.42) and CGR (-0.36). JOUT is also negatively correlated with AVNW (-0.42) and CGR is negatively correlated with AVNW (-0.16). The negative correlation means that a failure of one investment will be compensated by a rise of another. Correlation analysis has also revealed that coefficient of correlation of DWA and AVNW is 0.86, meaning that if DWA stock price rises, AVNW stock goes down, and vice versa. Regarding the results of analyses described above, the portfolio was structured the following way: AVNW 19%, CDXS 2.23%, CGR 9%, DWA 12.19%, JOUT 58.26%. Companies Overview Aviat Networks, Inc.  [1]  is a leader in wireless transmission solutions. The company applies innovation and IP networking expertise toward building a carrier class foundation for future mobile and fixed broadband networks. With more than 750,000 systems installed around the world, Aviat Networks has built a reputation as a leader in offering best-of-breed solutions including LTE-ready microwave backhaul and a complete portfolio of service and support options to public and private telecommunications operators worldwide. With a global reach and local presence in more than 46 countries, Aviat Networks works by the side of its customers allowing them quickly and cost effectively seize new market and service opportunities. Aviat Networks listed on NASDAQ (AVNW). Codexis, Inc.  [2]  develops industrial biocatalysts, enzymes, and microbes for energy, pharmaceutical, and environmental industries. The company focuses on conversion of renewable resources into transportation fuel s and pharmaceuticals. It offers development of technologies for air and water treatment and chemical manufacturing. The companys products include biocatalyst panels, custom biocatalysts, enzymes, active pharmaceutical ingredients and intermediates, and human cytochrome biocatalysts. Codexis is listed on NASDAQ (CDXS). Claude Resources, Inc.  [3]  acquires, explores, and develops precious metal properties, as well as produces and markets minerals in Canada. The company principally focuses on gold. Its primary mineral properties are located in northern Saskatchewan and northwestern Ontario. The company owns the Seabee Mine, a producing gold mine located at Laonil Lake, Saskatchewan; and Madsen properties located in the Red Lake Mining District of northwestern Ontario. It also holds interests in a portfolio of exploration properties that are located in the provinces of Saskatchewan, Manitoba, and Ontario. Claude Resources is listed on NYSE (CGR). DreamWorks Animation SKG, In c.  [4]  engages in the development, production, and exploitation of animated feature films and characters worldwide. It provides animated feature films and characters for the theatrical, home entertainment, television, and merchandising and licensing markets. The company has strategic alliances with McDonalds, Hewlett-Packard, Intel, and Samsung. DreamWorks Animation SKG, Inc. is listed on NASDAQ (DWA). Johnson Outdoors, Inc.  [5]  , together with its subsidiaries, engages in the design, manufacture, and marketing of outdoor recreation products worldwide. Its Marine Electronics segment provides battery-powered fishing motors for trolling or primary propulsion; sonar and GPS equipment for navigation; downriggers for controlled-depth fishing; and marine autopilot systems for large boats. It offers its products through outdoor specialty retailers, retail store chains, marine distributors, international distributors, and original equipment manufacturers. PORTFOLIO EVALUATION For proper portfolio evaluation, it has been monitored during a three-week period. For its assessment such tools as CBOE and RiskGrades were applied. CBOE.com provided a possibility of virtual trading and monitoring the portfolio performance during three weeks from January 31, 2011 to February 18, 2011. Also, with the help of CBOE.com it was possible to buy/sell the chosen stocks and watch how the portfolio could have changed. Another tool, RiskGrades, provided evaluation of risks associated with stocks and portfolio itself. It also helped to make Risk vs. Return analysis, Sector analysis and Risk ranking. Portfolio Performance As mentioned above, the portfolio has been monitored for three weeks. On the January 30, 2011 the following stocks were bought at amount and a price respectively: 20 shares of AVNW, $5.09 per share 5 shares of CDXS, $9.18 per share 85 shares of CGR, $1.98 per share 5 shares of DWA, $28.4 per share 90 shares of JOUT, $15.19 per share As it was an experimental portfolio, such insignificant amount of shares was purchased. The initial portfolio value totaled $1,896.00. During the three-week period the stocks were performing comparatively well and positive; the average change in AVNW price was 0.46%, CDXS 0.12%, CGR 0.13%, DWA 0.44%, JOUT 0.28%. Along with positive average changes in stock prices, the SP-500 market index changed by 0.31%. On February 7, 2011, I have sold 20 shares of CGR @ $2.58 and 70 shares of JOUT @ $15.59 due to constant down falling behavior; moreover, selling of these stocks could help improve portfolio performance and minimize losses. Aft er selling these stocks, the portfolio value also decreased, amounted to $758. From the sales proceeds, I have purchased 80 shares of JOUT @ $15.66 and sold another 10 shares of CGR @ $2.58. As a result of these transactions, the ending value of portfolio was $1,979. Therefore, during three-week period the portfolio gained $68. Risk and Return Analysis Risk and return are the major issues, which the investor is always mainly concerned about. For risk and return evaluation the Risk Grades tool was applied. So, according to RiskGrades.com, the riskiest stock in the portfolio is the stock of Claude Resources, Inc. (CGR), it has a risk rank of 64%, which means that 36% of the tickers in U.S. markets are riskier than CGR (RiskRanking, n.d.). The next, less risky stock is that of Aviat Networks, Inc. (AVNW) having risk rank of 55%. The stocks of DWA, JOUT and CDXS have the risk rank of 30%, 37% and 47% respectively. The portfolio has the total risk rank of 29%, which implies that 71% of the stocks in SP-500 are riskier than the portfolio. According to RiskGrades, the portfolio is 1.81 times as volatile as the SP SP 500 Index. Basing on Return Analysis, the average expected return of the portfolio is 47%. In the short-term perspective, JOUT will generate the highest return in the portfolio (24%), and the lowest return will be that o f DWA (-11%). In the long-term perspective, CDXS will not generate any return, whereas the CGR will generate the highest return (136.6%). But DWA will continue to generate negative return (-39.5%). All in all, the average return in the long-term perspective is going to be 24.38%. Sector Analysis Sector Analysis focuses on how much value movement of the portfolio is explained through average value movement of each sector in your market. Portfolios weights are compared to risk contribution in each sector against markets benchmark index (Sector Analysis, n.d.). So, taking the Risk Grades as a basis for this analysis, it can be concluded that: Financials is the most overweight sector compared to the benchmark. Health Care is the most underweight sector compared to the benchmark. Materials is the most overexposed sector to risk compared to the benchmark. Industrials is the most underexposed sector to risk compared to the benchmark. According to Sector Analysis, the portfolio specific risk (86.4%) is twice as higher than the specific risk of SP-500 (43.5%). Although, the investor wants to invest in high risk portfolio, the fact that the portfolio specific risk is higher than that of SP-500 can be omitted. However, the diversification benefit of 14.5% can minimize the specific risk of the portfolio. RECOMMENDATIONS The primary purpose of this report was to research, analyze the market and construct the portfolio for a high net-worth client, who aims to invest in a high risky portfolio. After conducting the research of literature, industries and sectors, colleting historical prices of some stocks, and making careful financial analysis of key ratios and correlation analysis, and also after monitoring the trial portfolio for three weeks, the following conclusions and recommendations can be made. First of all, the chosen industries and companies are performing quite well for this time and are at high demand. Although, stocks of Codexis, Inc. have been underperforming, and causing significant losses. Also DreamWorks Animation SKG, Inc. stocks have not been generating positive returns; moreover, its return will continue to decrease in the long-term perspective. So, in case the investor will keep the current trial portfolio, I would advise to replace the stocks of DWA and CDXS with other stocks. Des pite the fact the CGR stocks the riskiest ones in the portfolio; they will bring the highest return to the investor. So, it is advised to keep them. In addition, it is advised to include such stocks as JOUT and CGR in the new future portfolio, as these stocks have been performing well and are most likely to generate high returns in the long-term perspective, moreover these companies stocks have the high risk rank. But, by including the AVNW stocks in the new portfolio, which are negatively correlated to both JOUT and CGR, an investor will compensate potential losses. REFERENCES Bodie, Kane, Marcus. (2009). Essentials of investments (8th ed.). McGraw Hill Primis. CBOE trading system. (2011). Retrieved from https://www.cboe.com/ MSN Money. (2011). Key Ratios. Retrieved March 20, 2011 from https://investing.money.msn.com/investments/ Morningstar. (2011). Financials. Retrieved March 20, 2011 from https://financials.morningstar.com/ratios/r.html?t=AVNW Risk grade system. (2011). Retrieved from https://riskgrades.com/ APPENDIX 1 Company Ticker Sector DreamWorks Animation SKG Inc. DWA Services Codexis Inc. CDXS Biotechnology Johnson Outdoors Inc. JOUT Sporting goods Claude Resources, Inc. CGR Gold Aviat Networks, Inc. AVNW Communication Equipment APPENDIX 2 DWA CDXS JOUT CGR AVNW DWA 1 0.65 -0.42 -0.36 0.86 CDXS  1 0.34 0.15 0.66 JOUT   1 0.46 -0.42 CGR    1 -0.16 AVNW     1 APPENDIX 3 Ratio Company Industry SP 500 DWA P/E Ratio 13.3 13.7 20.3 Price/Book Value 1.76 11.59 3.59 Leverage Ratio 1.4 2.1 2.3 Current Ratio 2.63 1 1.4 ROE 14.2 -62.6 22.4 ROA 10.8 -26.6 8 CDXS P/E Ratio NA 14 20.3 Price/Book Value 3.56 5.64 3.59 Leverage Ratio 1.32 1.7 2.3 Current Ratio 3.35 4 1.4 ROE -12.01% 1.7 22.4 ROA -3.71% -2.38 8 CGR P/E Ratio 231 40.4 20.3 Price/Book Value 2.73 3.31 3.59 Leverage Ratio 2 1.5 2.3 Current Ratio 2.3 5.2 1.4 ROE 1.6 3.2 22.4 ROA 0.7 -22.8 8 JOUT P/E Ratio 15.4 13.7 20.3 Price/Book Value 1.2 2.88 3.59 Leverage Ratio 2 2 2.3 Current Ratio 2 2.6 1.4 ROE 8 15.9 22.4 ROA 4 8.3 8 AVNW P/E Ratio NA 26.3 20.3 Price/Book Value 1.36 3.12 3.59 Leverage Ratio 2 2.7 2.3 Current Ratio 1.88 2.6 1.4 ROE -48.9 13.4 22.4 ROA -29.2 6.3 8 APPENDIX 4

Hiv/Aids Essay - 1086 Words

HIV/AIDS BSHS302 May 21, 2012 Faye Flanagan HIV/AIDS Social issues facing HIV/AIDS today are as diverse as the people that are affected by the disease. Advocating for a large group of people takes action at the macro human service practice. The goals and intervention strategies will be similar to micro human service and will involve the same strategies to bring justice to human rights for all members of society. One strategy is including a broader range of other diversity in research in gender studies, including gay, lesbian, bisexual, and transgender people (GLBT). Men and GLBT people have not been addressed in mainstream research. These groups make up a large contingent of the population that is affected with HIV/AIDS today.†¦show more content†¦By working together the group can achieve more. HIV/AIDS first appeared in the homosexual/bisexual community in various urban centers in North America and spread rapidly in these groups. HIV/AIDS first emerged in North America among homosexual and bisexual men and is still more common in that group most of the AIDS services have been geared to gay men, leaving women without adequate support and/or treatment. In the past few years, pharmaceutical companies have developed medications that slow down the effects of HIV/AIDS. When the disease first came out in the United States, everyone was afraid to breathe around the patients with HIV/AIDS or who had been exposed to the patients at all because they thought it might be contagious, which they were proven wrong because it’s not contagious at all. No one has to be afraid to get close to the patients who have the disease. The only way you can get the disease is through sexual contact with the patient or a contaminated needle used on the patient or sharing needles (as in drug addic ts). 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The Observation Of A Child Named Alice Buck Who Lives

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Human Resource Management for Skill Development - myassignmenthelp

Question: Discuss about theHuman Resource Management for Skill Development. Answer: Introduction Team work is one of the key criterions to effectively accomplish the organizational or any other goals or motives. The more effective will be the team management and the team work, the more will be the effectiveness of the accomplished task (Turner 2014). We as a group were assigned a job of observing the human resource management in Imaginate Company. We had to determine the aspects of human resource management being initiated by the human resource manager of this organization and providing recommendations accordingly (Armstrong and Taylor 2014). We have accomplished the given task effectively and gain huge knowledge about the various elements that need to be considered by the team members in working as a team. This essay will discuss about the knowledge that I have gathered in working in the team. I will also state some recommendations, which will help to further enhance the effectiveness of the team work. Merits of working in team One of the key merits that have been identified by me in working in the team is the division of the responsibilities. We are five members in the team and among us, we have divided the responsibilities. This helped us in accomplishing the task more effectively. Another key benefit being identified is the generation of more options (Gallie et al. 2012). For a certain point to get evaluated we came up with different and diversified solutions and thus it helped us in having broader considerations during the decision making process. It is also been noticed by me that, due to the team work, the team members came to know each other more effectively. It helped me in gaining diversified and varied knowledge from other team members for a certain issue. Issues identified in the team Beyond the merits and the knowledge that I have gathered from the team work, there are various other issues that had been emerged in the team. At the start of the project, we have decided that Tuckmans teamwork theory will be implemented in order to effectively manage the team (Raes et al. 2015). This is due to the reason that, according to us, step-by-step implementation of this theory will help us to reduce the gap between the team members and understands each others perspective effectively. Figure: 1Tuckmans teamwork theory Cultural diversity However, from the very first stage of this theory, we have faced issues. Forming is the first step in this theory. According to this step, team member takes time to get them accustomed in the team and determine their role in the team. Allocation of the responsibilities are also been done in this step. However, due to the reason that, the four members of our team are culturally different with having different social backgrounds, allocation of the responsibilities became difficult (Pieterse, Van Knippenberg and Van Dierendonck 2013). No one was ready to opt for complex job. Moreover, selection of the team leader also faced difficulties due to the reason that no one was ready to accept the leader who will be culturally and socially different (Woehr, Arciniega and Poling 2013). Thus, random process was selected and I was made the team leader. I have allocated the responsibilities based on the expertise of the team members. Emergence of conflict Conflict is quite normal in any team work and it is ought to happen. However our team faced the conflict regarding the difference in the opinion of the members. Majority of the opinions of the members are contradictory to one another and thus caused in conflict (Plessis 2012). Moreover, they are not ready to adjust or compromise to some extent in order to solve the conflict. Most notable conflict in our team occurred in determining the effectiveness of the initiation of work flexibility in Imaginate Company. Two members were of the opinion that work flexibility is the best option for the organization to enhance their employee performance, whereas another member came with the opinion that work flexibility will not help to increase the effectiveness of the employees. Eventually it caused the deviation from the core objective of our team. Building of consensus Being the team leader I was assigned the role of building consensus among the team members. However, for creation of consensus, adjustment is required from all the team members, which was not possible in this group. This situation can be related with the norming step of Tuckmans teamwork theory. Due to this reason, I opted for individual meeting with all the members to determine their opinions and arguments and tried to identify the limitations (Ishikawa 2012). It helped them to determine their shortcomings in their opinions. However, it is being seen by me that all the team members are more concentrated in identifying the limitations of other members than their own. Accomplishment of the task I being the team leader initiated the approach of transformational style of leadership. According to this leadership approach, the key objective of the leader is to motivate their team members in accomplishing their task (Tabassi, Ramli and Bakar 2012). I helped them in working out the plan for task accomplishment for the team members. In addition, I helped them in determining and evaluating the issues of Imaginate Company. It enabled me as well as the team members to indentify the core areas of the task and accomplish it effectively. Mechanism of feedback Effective feedback mechanism is important and one of the key factors to enhance the effectiveness of teamwork. This is due to the reason that, for the effective management of the teamwork, it is necessary that all the team members will be effectively communicated with one another and with the team leaders (Tausczik and Pennebaker 2013). In our team, we have initiated an effective communication channel among the team members. It helped me as a team leader in effectively coordinating with the team members and managing the issues and grievances of the team members in time (Tsay and Brady 2012). In our team we have initiated a process of conducting a live meeting among the team members once a week. It helped us in evaluating the job being done by the individual team members in a single week along with identifying the areas of improvement. In addition, we are being connected through the use of various electronic mediums such as mobiles, Skype and social media. It helped us in communicating with all the members at any point of time. I being the team leader initiated the process of garnering feedback from the team members in every week (Dumitrescu, Cetina and Pentescu 2012). It helped me in determining the shortcomings of mine in managing the team effectively. Thus, it acted as one of the key sources of determining factors to enhance the effectiveness of the team management. Recommendations By leading and managing the team in accomplishing the given task, I have gained various diversified ideas and knowledge, which can be further used to enhance the effectiveness of the future teamwork. There are some points that are being identified by me, which may help in enhancing the effectiveness of the teamwork in future. The following sections will discuss about these recommended steps. According to me, effective management of the team starts from the selection of the team members. This is due to the reason that, I have seen in working in the team that if the team members are not being selected according to the requirement of the task, then it will be difficult for the team to effectively work based on mutual cooperation and coordination. Thus, the members should be selected in accordance to the requirement. During the time of selection of the team members, it is also to be considered the cultural aspects, mentality and attitude of the team members. This is due to the reason that differences in culture among the team members caused conflict in the team management. Thus, having team member from similar cultural and social backgrounds should be considered. Time allocation is an important aspect in effective management of team. This is due to the reason that, in our team, all the members cannot able to enhance their relationship with one another due to having less time. People tend to get comfortable with one another after spending a certain time. Thus, it is important to allocate enough time to the team members of the newly formed team. It will help them to understand their co-members effectively and thus the mutual cooperation and coordination will get enhanced among the team members. Conclusion Thus, it can be concluded that in our team work, we have faced various issues in effective management of the team. Key issues identified are the conflict among the members, cultural differences among the members and allocation of minimal time for the teamwork. Various merits such as initiation of effective communication channel and generation of varied and diverse opinions and information are also been observed by me in working in the team. Moreover, knowledge such as how to lead a team and how to create consensus among the team members are being gained by me by working in this team. Based on my gained knowledge, I have stated several recommendations, which will help to enhance the effectiveness of the performance in the future teamwork. Reference Armstrong, M. and Taylor, S., 2014. Armstrong's handbook of human resource management practice. Kogan Page Publishers. Dumitrescu, L., Cetin?, I. and Pentescu, A., 2012. Employee feedback-condition for their retention and loyalty. Romanian Journal of Marketing, (3). Gallie, D., Zhou, Y., Felstead, A. and Green, F., 2012. Teamwork, skill development and employee welfare. British Journal of Industrial Relations, 50(1), pp.23-46. Ishikawa, J., 2012. Transformational leadership and gatekeeping leadership: The roles of norm for maintaining consensus and shared leadership in team performance. Asia Pacific Journal of Management, 29(2), pp.265-283. Pieterse, A.N., Van Knippenberg, D. and Van Dierendonck, D., 2013. Cultural diversity and team performance: The role of team member goal orientation. Academy of Management Journal, 56(3), pp.782-804. Plessis, Y.D., 2012. Exploring teamwork paradoxes challenging 21st-century cross-cultural conflict management in a multicultural organizational context. International Journal of Cross Cultural Management, 12(1), pp.49-71. Raes, E., Kyndt, E., Decuyper, S., Van den Bossche, P. and Dochy, F., 2015. An exploratory study of group development and team learning. Human Resource Development Quarterly, 26(1), pp.5-30. Tabassi, A.A., Ramli, M. and Bakar, A.H.A., 2012. Effects of training and motivation practices on teamwork improvement and task efficiency: The case of construction firms. International Journal of Project Management, 30(2), pp.213-224. Tausczik, Y.R. and Pennebaker, J.W., 2013, April. Improving teamwork using real-time language feedback. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (pp. 459-468). ACM. Tsay, M. and Brady, M., 2012. A case study of cooperative learning and communication pedagogy: Does working in teams make a difference?. Journal of the Scholarship of Teaching and Learning, 10(2), pp.78-89. Turner, M.E., 2014. Groups at work: Theory and research. Psychology Press. Woehr, D.J., Arciniega, L.M. and Poling, T.L., 2013. Exploring the effects of value diversity on team effectiveness. Journal of Business and Psychology, 28(1), pp.107-121.