The Journal of Organic Chemistry
Enzyme-catalyzed enantioconvergent lactonization of. gamma.-hydroxy diesters in organic solvents
AL Gutman, T Bravdo
Index: Gutman, Arie L.; Bravdo, Tamar Journal of Organic Chemistry, 1989 , vol. 54, # 18 p. 4263 - 4265
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Citation Number: 53
Abstract
Summary: A strategy has been developed for the enantioconvergent lactonization of symmetrical hydroxy diesters which exploits the prochiral stereospecificity of lipases in organic solvents. Using this approach, prochiral y-hydroxypimelate diesters (2) were converted into either enantiomer of y-butyrolactone y-3-propionates (3).
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Lipase-catalyzed preparation of optically active. gamma.-butyrolactones in organic solvents
[Gutman, Arie L.; Zuobi, Kheir; Bravdo, Tamar Journal of Organic Chemistry, 1990 , vol. 55, # 11 p. 3546 - 3552]