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A chemoenzymatic access to optically active 1,2-epoxides

✍ Scribed by Ching-Shih Chen; Yeuk-Chuen Liu

Book ID: 104245006
Publisher: Elsevier Science
Year: 1989
Tongue: French
Weight: 241 KB
Volume: 30
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)93924-3

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✦ Synopsis

sulmnary: Lipase-catalyzed transacylation in organic media was employed to produce optically active a-hydroxy tosylate which could be readily converted to the corresponding 1,2-epoxides with high optical purity.

Conventionally, access to chiral epoxides has relied mainly upon naturally existing chirons such as g-mannitoll , S-amino acids2, optically pure a-hydroxy acids3, etc. Until recently, a number of asymmetric epoxide

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