## Abstract N‐[4‐]2‐(5‐Chloro ‐2‐methoxybenzamido) ethyl phenylsulfonyl N′ ‐cyclohexylurea, IXc, or glyburide, has been labeled with tritium and carbon‐ 14. The tritium label is located in the C‐3 position of the 5‐chloro ‐2‐methoxybenzoyl portion of the molecule, while the carbon‐14 label is incor
A novel asymmetric synthesis of tritium and carbon-14 labeled (R)-ibuprofen
✍ Scribed by Yinsheng Zhang; Yang Hong; Che C. Huang; Daniel Belmont
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- French
- Weight
- 118 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0022-2135
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✦ Synopsis
Abstract
An efficient asymmetric synthesis of tritium and carbon‐14 labeled R‐ibuprofen was achieved in good overall yield (15% and 47%, respectively) and excellent enantiomerical excess (>98% e.e.), using (4__R__, 5S)‐4‐methyl‐5‐phenyl‐2‐oxazolidinone as a chiral auxiliary. Copyright © 2006 John Wiley & Sons, Ltd.
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