Portland State University - - Professor Carl C. Wamser

Chemistry 331 - Fall 1997

Quiz, Chapter 5

1. (2 points each) Write a complete name for each of the compounds below, including a designation of stereochemistry.

a) (E),(S)-5-chloro-2-hexene (or trans instead of E)

b) (1S,3S)-1-fluoro-3-methylcyclohexane (trans is not complete)

c) (S)-2-bromo-3-methylbutane


2. (4 points) The addition of HBr to 1,2-dimethylcyclopentene gives a mixture of stereoisomeric products with two stereocenters. Show the reaction and give the names and structures for the four possible stereoisomers.