Organic Chemistry 201

Chapter 9   Stereochemistry

The following are items that you need to know for Exam IV:

Chiral or stereogenic centers (carbon with 4 different atoms or groups attached)

Enantiomers (non-superimposable isomers)

Optical activity

Specific rotation: [a]

Sequence Rules for specification of R,S-configuration

Diastereomers

Meso compounds (plane of symmetry)

Racemic mixtures

Fisher projections

Stereochemistry of reactions:

a. addition of OsO4 to an alkene

b. bromination of an alkene