2009_18_Stereochemistry 2204 - Chem 2204/2206/2208 Friday...

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Chem 2204/2206/2208 Friday Mar 27 Lecture 18 on Stereochemistry (II). Wednesday, April 1 Optional review lecture – go over sample Exam and problems; Exam topics etc. Friday April 3 Lab Exam Theatre B 11:30 – 12.30
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Stereochemistry McMurry 6e, (7e) Topic Chapter Section Problems Isomers (Overview) 9.11 (9.9) Enantiomers (Chirality) 9.1-9.2 9.2, 9.3, Optical Activity 9.3, 9.4 Absolute ( R , S ) vrs Relative Configuration( D , L ) 9.5, 25.2-25.3, 26. 1 9.8( 9 ) Diastereomers 9.6-9.9 ; (9.6, 9.7) 9.12( 13 ), 9.14 ( 15 ) Resolution of Enantiomers 9.4, 9.10 (9.8) 9.18 ( 9.18, 9.19 ) Distinguishing between “identical” Groups or Faces 13.8
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Goals for Stereochemistry Section Definition of stereochemical terms eg enantiomer/ diastereomer etc Recognize symmetry elements of a simple organic molecule and determine if the molecule is chiral or achiral. Identify if molecule has chiral (stereogenic) centres. Assign absolute configuration to a chiral (stereogenic) centre ( R , S ). Determine the number of stereoisomers for a given molecule - Draw each stereoisomer (enantiomers/diastereomers).
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Comparison of Two Types of Stereoisomers: Enantiomers vrs Diastereomers Enantiomers Diastereomers
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Resolution of Enantiomers 1. Pasteur Experiment (Chiral Crystals: Very Rare!) 2. Conversion to Separable Diastereomers (see
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This note was uploaded on 07/28/2009 for the course ORGANIC CH CHEM 2204 taught by Professor Dr.levin during the Winter '08 term at Indian Institute of Technology, Chennai.

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2009_18_Stereochemistry 2204 - Chem 2204/2206/2208 Friday...

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