Unit02 - Chem 1004 - Spring 2011 Organic Chemistry Plastics...

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1 Organic Chemistry Organic Chemistry Plastics and Polymers Plastics and Polymers Chem 1004 - Spring 2011 Blackboard: http://blackboard.gwu.edu Office Hours: MW 3:10-3:55 PM, 1957 E St., room 113 and by appointment Organic Chemistry Chemistry of carbon-containing compounds Of the more than 20 million known chemical compounds, over 95% are compounds of carbon • Plastics and polymers • Drug function and drug design • Chemistry of nutrition • Biochemistry (proteins, nucleic acids, carbohydrates, etc.) • Because it’s there. .. Why do we need to study organic chemistry? What other elements do organic compounds contain? • Hydrogen ( H ) • Oxygen ( O ) • Nitrogen ( N ) • Phosphorous ( P ) • Sulfur ( S ) • ...
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2 But ane iso-But ane Hydrocarbons: Compounds of carbon and hydrogen Simplest organic compounds Alkanes: each carbon atom in the molecule forms four single bonds , either with hydrogen or with other carbon atoms Meth ane Eth ane Prop ane Isomers: compounds that have the same molecular formula but different structural formula How many different isomers can you draw for pentane (C 5 H 12 )? Do we always need to draw this bulky structural formula? condensed structural formula Can we simplify it even further? One of them is:
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3 Unsaturated hydrocarbons Alkenes: at least two carbon atoms are joined by a double bond Eth ene (ethylene) Prop ene 1-but ene trans-2-but ene cis-2-but ene Unsaturated hydrocarbons Alkynes: at least two carbon atoms are joined by a triple bond Aromatic compounds: those that contain a benzene ring
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4 Alcohols Methyl alcohol Ethyl alcohol Organic compounds with heteroatoms: the functional group Poisonous: two tablespoonfuls can cause blindness, and even death Ingredient of alcoholic beverages Not as poisonous but still toxic : - deterioration of the liver - deterioration of the cardiovascular system - loss of memory - death - half of the fatal car accidents - fetal alcohol syndrome - is the most abused drug in the US Other functional groups Aldehydes Ketones Phenols Ethers MTBE
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5 Other functional groups Carboxylic acids Acetic acid Esters Methyl acetate Strong, unpleasant odors Rancid butter and body odor: butyric acid Fruity odors and tastes Flavoring in cakes, candies. Perfumes. Apple: methyl butyrate Banana: pentyl acetate More functional groups: nitrogen-containing organics Amines ethylamine Synthetic and natural polymers - Nylon - Proteins: hair, silk, skin Amides acetamide Amphetamine stimulant drug Cadaverine odor of decaying flesh
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C H N What is the chemical formula of amphetamine? Organic Compounds - Functional Groups
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Unit02 - Chem 1004 - Spring 2011 Organic Chemistry Plastics...

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