CM5121 Graduate Organic Chemistry General Administration Matters Dr. Zhang Sheng Office no: S7-03-12 Email: chmzs@nus.edu.sg CM5121 Assessments CA (quiz‚ project) 50% Final Exam (Closed Book) 50% CA: choose 2 out of 3 Quiz 1 (Week 7‚ closed book) 25% Quiz 2 (Week 11‚ closed book) 25% Project Presentation 25% (Week 11-13) 2 Syllabus Broadly divided into 2 parts: 1) Pericyclic Reactions i) Electrocyclic ii) Cycloaddition and cycloreversion iii) Sigmatropic 2) Rearrangements
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Ventilation The air around us is warmed up by everyday activities such as breathings‚ washing and drying clothes‚ cooking food‚ running electric motors and using electric lights. The composition of the air around us can also be changed by: chemical pollutants‚ pollen‚ dust‚ tobacco smoke and odors. These changes will make the air stale if it stays in a confined space. This may make us feel hot and sticky and can make us less efficient at work. To stop the air around us from being stale we
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Organic chemistry Organic chemistry is one of the ‘branches’ of chemistry and is seen as distinct from other branches‚ such as inorganic and physical chemistry. It can be described as the chemistry living processes (often referred to as biochemistry) but extends beyond that. It focuses almost entirely on the chemistry of covalently bonded carbon molecules and as well as life processes‚ it includes the chemistry of other types of compounds‚ including plastics‚ petrochemicals‚ drugs and paint
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Organic Lab I No. 5-6 Separation of a Carboxylic Acid‚ a Phenol‚ and a Neutral Substance (Two-week lab) Reading Assignment 1) Chapter 7 • Introduction: P. 135- first paragraph • Theory and Techniques (p142-145) o Properties of Extraction Solvents o Mixing and Separating the Layers o Drying Agents o Part 1: The Technique of Neutral Liquid/Liquid Extraction The description is for dichloromethane-aqueous
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feeding a booming global population. However‚ the decrease in farming has begun to make this a more important problem. Especially now‚ farmers have taken to using pesticides and other methods in order to ensure a crop is more plentiful‚ therefore helping to alleviate some of the problems associated with supply and demand. But this is not a solution‚ it is instead almost adding to the problems our society faces today. This is where organic farming comes in. Although it may be hard to change society’s long
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Organic Lab Part 2 Experiment 7: Diethyl n- Butylmalonate Lab Partner: Reference: Williamson K.L.‚ & Masters‚ K.M. (2011).”Diethyl n- Butylmalonate”. Macroscale and Microscale Organic Experiments ( 6th edition pp. 531-534)
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Prospect Hall Casino While it is true that there are lots of online casinos that basically offer same services to players‚ there are a few who have gone the extra mile to distinguish themselves from the lot. One of them is Prospect Hall Casino with its sophisticated and stylish interface and brand developed with its long term partner and operator‚ Betable. The variety of games sourced from some of the industry’s leading developers including Microgaming‚ Play‘n’GO‚ Nyx‚ Netent amongst several others
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educator Friedrich Froebel designed‚ the organic unity of a Japanese building Wright saw at the Columbian Exposition in Chicago in 1893‚ and a Jeffersonian belief in individualism and populism. Always a believer in architecture as "natural" and "organic‚" Wright saw it as serving free individuals who have the right to move within a "free" space‚ envisioned as a nonsymmetrical design interacting spatially with its natural surroundings. He sought to develop an organic unity of planning‚ structure‚ materials
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Introduction Factory farming is a cheap and effective way to ensure that everyone can have affordable access to various meats. It’s an advanced system that optimizes food output as quickly as possible to keep up with the global demand for more protein rich food sources. However‚ diseases flourish with how factory farming is modeled. This is due to the animals being kept in tight quarters‚ crammed together under the roof of a warehouse. To combat diseases‚ factory farms use antibiotics to cure anything
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Organic foods have become more popular amongst Americans. Between October 2003 and October 2004 there has been a 27% increase in Americans eating more organic foods. Is the cause nutrition value or because it is more environmentally friendly? There are many Americans that are trying to eat healthier and more nutritious foods‚ But is organic food really more nutritious? Although evidence is still unclear‚ many say that organic foods and conventionally grown foods have close to‚ if not the same nutrition
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