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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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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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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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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CLASSIFICATION TESTS A. Acids There are relatively few suitable tests for carboxylic acids. Classification is based mostly upon solubility tests. If the compound is water soluble‚ test the aqueous solution of your compound with pH paper (also check the pH of the original water). If the compound is water-insoluble and it dissolves in 5% (1.5M) sodium hydroxide and 5% NaHCO3 solutions as performed in your solubility tests‚ it can be classified as a carboxylic acid. Establish an equivalence value
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(in the second centrifuge tube). Now wash (microscale) the combined extracts with saturated NaCl solution (5mL)‚ then with 10% aqueous potassium carbonate (5mL)‚ then with saturated NaCl solution (5 mL) again. Dry the organic layer with anhydrous sodium sulfate. Decant the organic layer into a small beaker and concentrate to roughly 0.2 mL by evaporation in the hood (do not apply heat!). If the sample goes to dryness‚ re-dissolve in hexane (0.2 mL). *Set aside a small amount of your crude
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person being infected with Leptospirosis might lessen. The benefits of an organic fertilizer compared to a chemically made fertilizer are that the plants were able to grow taller‚ faster‚ healthier‚ and were able to bear more fruits. Our project will test if every day produce‚ such as the yogurt can be mixed with animal feces just like how egg shells and banana peels are used to decompose waste and create a rich‚ organic fertilizer. Our project will benefit not only the environment of Guam‚ but
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Chapter 17—Alcohols and Phenols SHORT ANSWER Drawing Instructions: Draw structures corresponding to each of the given names. 1. Draw: cis-4-tert-butylcyclohexanol ANS: 2. Draw: 3-methyl-2-buten-1-ol ANS: 3. Draw: 2-phenyl-2-propanol ANS: 4. Draw: glycerol ANS: 5. Draw: 2‚ 4‚ 6-trinitrophenol ANS: IUPAC Naming Instructions: Provide proper IUPAC names. 6. Name: ANS: (E)-2-ethylbut-2-en-1-ol 7. Name: HOCH2CH2OH ANS:
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The below diagram shows the connection between the main topic and its elements. However‚ this spray diagram is talking about the Toyota recall crisis which started after the Toyota Lexus crash which happened on 28th of august‚2009 in San Diego. The patrol officer Mark Saylor was travelling on highway 125 with his three family members when his car ‘Lexus’ suddenly accelerates out of control and one of the occupants called the emergency service and reported that the car had brakes then silence and
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