2423Chapt9

2423Chapt9 - CHAPTER9 Practice Exercises(ORGANIC CHEM I_DR...

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I ) ________DR. PAHLAVAN 1. Identify the chirality centers in the following molecules. Please draw them, and label the chiral centers by asterik(*). (a) Cis-1,2-dimethylcyclobutane (b) 3,3,5-trimethylheptane (c) 2,4-Dimethylheptane (d) Trans-1,4-dibromocyclohexane (e) Cis- 1,3-dichlorocyclopentane (f) S-2-butanol 2. Draw a tetrahedral representation of the following compounds; a) R-2-chlorobutane b) R-2-pentanol c) S-2-butanol d) Meso form of 1,3- Dimethyl cyclohexane e) R- 3-bromo-1-pentene f) Meso form of 2,3-dibromobutane g) (2S,3R) –2,3- dibromopentane h) HSCH 2 CH(NH 2 )CO 2 H 3. Assign R or S configuration to the chirality centers of the following molecules; a) C H CH 3 COOH b) C Br COOH H HO CH 3 c) C H CH 2 CH 3 Cl H 3 C d) H OH e) H Cl OH H f) CH 2 CH 3 H g) COOH HOCH 2 H OCH 3 h) CH 3 H 3 C Br H H Br 4. Assign R, S configuration to each chirality center in the folloeing molecules. I dentify which are enantiomers, and which are diastereomers, and which are alike ( identical). C
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This note was uploaded on 09/24/2011 for the course CHEM 1411-12 taught by Professor Pahlavan during the Spring '10 term at HCCS.

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2423Chapt9 - CHAPTER9 Practice Exercises(ORGANIC CHEM I_DR...

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