Stereochemistry Part 1 Solutions: #2

2.* (1997 F 7) Which of the following pairs represent: (1) enantiomers, (2) diastereomers, (3) constitutional isomers, (4) identical subtances? Which are (5) optically active, (6) optically inactive?

A. Write the appropriate number next to the letter for each substance.

B. What is the name of the molecule shown on the left side of the last pair?

A is (4) and (6); B is (4) and (5); C is (4) and (6); D is (4) and (5). The molecule shown on the left side of D is cholesterol turned over.