One commercial synthesis of ketoprofen (the active ingredient in Actron and a score of other over-the-counter and prescription nonsteroidal anti-inflammatory drug preparations) gives the enantiomer shown in 93% enantiomeric excess. H CH Он (a) Assign an R or S configuration to this enantiomer of ketoprofen. R (b) What are the percentages of R and S enantiomers in the mixture? (Enter unrounded values.) R: S: 96 96

One commercial synthesis of ketoprofen (the active ingredient in Actron and a score of other over-the-counter and prescription nonsteroidal anti-inflammatory drug preparations) gives the enantiomer shown in 93% enantiomeric excess. H CH Он (a) Assign an R or S configuration to this enantiomer of ketoprofen. R (b) What are the percentages of R and S enantiomers in the mixture? (Enter unrounded values.) R: S: 96 96

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter3: Stereoisomerism And Chirality

Section3.7: Optical Activity—how Chirality Is Detected In The Laboratory

Problem 3.10P

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