Let’s do some R/S configuration practice and check solutions.
1. Assign R/S configuration to each chirality center in the following molecules:

SOLUTION

2. Draw the line bond structures of the following molecules:
a. (S)-3-ethyl-2-methyloctane
b. (3R,5S,6R)-5-ethyl-3,6-dimethylnonane
c. (4R,5S)-4,5-diethyloctane
d. (3S,6S)-6-isopropyl-3-methyldecane
SOLUTION

CHALLENGE PROBLEM
3. Assign R/S configuration to each chirality center in the following molecule called brucine:

SOLUTION

