Chapter 5: Q. 28 E-b (page 148)
Which, if any, of the following structures represent meso compounds? (Blue = N, green = Cl.)
Short Answer
(b). Meso compound.
Chapter 5: Q. 28 E-b (page 148)
Which, if any, of the following structures represent meso compounds? (Blue = N, green = Cl.)
(b). Meso compound.
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The dehydration of citrate to yield cis-aconitate, a step in the citric acid cycle, involves the pro-R “arm” of citrate rather than the pro-S arm. Which of the following two products is formed?
Draw both cis- and trans-1,4-dimethylcyclohexane in their more stable chair conformations.
(a) How many stereoisomers are there of cis-1,4-dimethylcyclohexane, and how many of trans-1,4-dimethylcyclohexane?
(b) Are any of the structures chiral?
(c) What are the stereochemical relationships among the various stereoisomers of 1,4-dimethylcyclohexane?
Ribose, an essential part of ribonucleic acid (RNA), has the following structure:
(a) How many chirality centers does ribose have? Identify them.
(b) How many stereoisomers of ribose are there?
(c) Draw the structure of the enantiomer of ribose.
(d) Draw the structure of a diastereomer of ribose.
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