Lecture 4, 5, 6

Lecture 4, 5, 6 - 1 Organic Chemistry Plastics and Polymers...

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Unformatted text preview: 1 Organic Chemistry Plastics and Polymers Chem 004 - Spring 2006 Blackboard: http://blackboard.gwu.edu Office Hours: MW 3:10-3:55 PM, 1957 E St., room 213 Organic Chemistry Chemistry of ______________ 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.) 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) ... Hydrocarbons: Compounds of carbon and hydrogen Simplest organic compounds Alkanes: each carbon atom in the molecule forms _______ _________, either with hydrogen or with other carbon atoms H C H H H H C H C H H H H H C H C H C H H H H H Meth a n e Eth a n e Prop a n e H C H C H C H H H H But a n e C H H H H C H C H C H H H H C H H H iso-but a n e Isomers: compounds that have the same _______________ but different ___________________ How many different isomers can you draw for pentane (C 5 H 12 )? Do we always need to draw this bulky structural formula? Can we simplify it even further? One of them is: H C H C H C H H H H C C H H H H H 2 Unsaturated hydrocarbons Alkenes: at least two carbon atoms are joined by a _________ bond C C H H H H Eth e n e (ethylene) C C H H Prop e n e C H H H H C C H H C H H C H H H 2-but e n e C C H H C H H C H H H H 1- but e n e H Unsaturated hydrocarbons Alkynes: at least two carbon atoms are joined by a ________ bond Aromatic compounds: those that contain a ___________ ring C C H H Eth y n e (acethylene) C C H Prop y n e C H H H C C C C C C H H H H H H Organic compounds with heteroatoms: the functional group Alcohols OH Methyl alcohol CH 3 CH 3 CH 2 OH Ethyl alcohol 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 Phenols Ethers Aldehydes Ketones OH O CH 3 CH 2 CH 3 H 3 C O C CH 3 CH 3 CH 3 C O CH 3 CH 2 H C O CH 3 CH 2 CH 3 3 Other functional groups Carboxylic acids CH 3 OH C O O OH Acetic acid Fruity odors and tastes Flavoring in cakes, candies....
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This note was uploaded on 04/10/2008 for the course CHEM 004 taught by Professor Zysmilich during the Spring '06 term at GWU.

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Lecture 4, 5, 6 - 1 Organic Chemistry Plastics and Polymers...

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