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›› 2003, Vol. 20 ›› Issue (3): 376-380.DOI: 10.7523/j.issn.2095-6134.2003.3.019

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Stereoselective Ylide Cyclopropanation and Epoxidation

YE Song, TANG Yong, DAI LiXin   

  1. State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
  • Received:2002-12-26 Online:2003-05-10
  • Supported by:

    supported by the National Natural Sciences Found ation of China(20172066)

Abstract:

Focusses on the stereoselective cyclopropanation of sulfonium and telluronium allylide with Michael acceptors.Three strategies (additive, chiral auxiliary or chiral reagent)were developed to improve the diastereoselectivity or enantioselectivity of the ylide cyclopropanation reactions.Some preliminary results of epoxidation reaction of sulfonium allylide were also included.

Key words: ylide, cyclopropanation, epoxidation, diastereoselectivity, enantioselectivity

CLC Number: