Ephedrine, a stimulant and illegal drug is an optically active compound with two chiral centers. OH NHCH3 CH3 Ephedrine a. In the structure of ephedrine on the answer sheet, mark each chiral center with an asterisk. b. How many stereoisomer/s does ephedrine have? Show necessary solutions on the answer sheet. c. Compound EPS is a stereoisomer of ephedrine. Determine the absolute configuration (R or S) at carbons A and B of compound EPS.

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Ephedrine, a stimulant and illegal drug is an optically active compound with two chiral
centers.
OH
NHCH3
CH3
Ephedrine
a. In the structure of ephedrine on the answer sheet, mark each chiral center with an asterisk.
b. How many stereoisomer/s does ephedrine have? Show necessary solutions on the answer
sheet.
c. Compound EPS is a stereoisomer of ephedrine. Determine the absolute configuration (R or
S) at carbons A and B of compound EPS.
Transcribed Image Text:Ephedrine, a stimulant and illegal drug is an optically active compound with two chiral centers. OH NHCH3 CH3 Ephedrine a. In the structure of ephedrine on the answer sheet, mark each chiral center with an asterisk. b. How many stereoisomer/s does ephedrine have? Show necessary solutions on the answer sheet. c. Compound EPS is a stereoisomer of ephedrine. Determine the absolute configuration (R or S) at carbons A and B of compound EPS.
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