Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Chapter 15, Problem 15.26P

15-26 For centuries, Chinese herbal medicine has

used extracts oi Ephedra sinica to treat asthma. The asthma-relieving component of this plant is ephedrine, a very potent dilator of the air passages of the lungs. The naturally occurring stereoisomer is levorotatory and has the following structure.

HO ¥ Nhch3

Chapter 15, Problem 15.26P, 15-26 For centuries, Chinese herbal medicine has used extracts oi Ephedra sinica to treat asthma.

Ephedrine |n|„ = —41°

  1. Mark each stereocenter in epinephrine with an asterisk.

  • How many stereoisomers are possible for this compound?
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