Draw the enantiomer, if any, for each structure.
(e)
(f)

How many stereoisomers are possible for each of the following molecules?

(c)

Draw a three-dimensional structure for each compound, and star all asymmetric carbon atoms. Draw the mirror for each structure, and state whether you have drawn a pair of enantiomers or just the same molecule twice. Build molecular models of any of these examples that seem difficult to you

(a)

(b)

Draw the stereoisomers of the following amino acids. Indicate pairs of enantiomers and pairs of diastereomers.

a.

Which of the following pairs of compounds could be separated by recrystallization or distillation?

a. meso-tartaric acid and (±)-tartaric acid (HOOC—CHOH—CHOH—COOH)

1-Bromo-2-methylcyclopentane has four pairs of diastereomers. Draw the four pairs.

Draw all possible stereoisomers for each of the following:

b. 2-bromo-4-chlorohexane

Draw a diastereomer for each of the following:

c.

d.

Draw the four stereoisomers of 1,3-dichloro-2-pentanol using

b. perspective formulas.