Chemistry 331 - Winter 1996
Elements of Organic Chemistry I

Homework, Chapter 6 - Stereochemistry

McMurry, pp 195 - 198:

Problems 6.18, 19, 22-26, 28-32, 34, 35, 38, 39, 43-48, 51, 55


1. Write complete names for each of the following compounds, including designation of stereochemistry:


2. All of the naturally occuring amino acids are called L because they have a stereochemistry that was historically correlated with one stereoisomer of glyceraldehyde, shown below.

L-Glyceraldehyde and the natural amino acids all have the S absolute configuration. The two exceptions are glycine and cysteine. Look up their 3-dimensional structures and explain why they are different.