Organic Chemistry 354 Quiz - October 13, 1997

Dr. Sundin

1. Mark each stereogenic center (chiral carbon) with an asterisk (*):

a. CH₃CH₂CHBrCH₃

b. (CH₃)₂CHCH₂CH(CH₃)CH₂CH(CH₃)CH₃

c.

b.

2. Give a three dimensional sketch of R-2-bromobutane.

3. Is the following compound R or S?

4. Optically active alcohol, C₅H₁₂O, gave 2-methyl-2-butene as the main product of dehydration. What is the structure of the starting alcohol? (You cannot determine if it is R or S!)