Synlett 2005(18): 2720-2730  
DOI: 10.1055/s-2005-918929
ACCOUNT
© Georg Thieme Verlag Stuttgart · New York

Telluronium and Sulfonium Ylides for Organic Transformation

Yong Tang*a, Song Yeb, Xiu-Li Suna
a State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Lu, Shanghai 200032, P. R. of China
Fax: +86(21)54925078; e-Mail: tangy@mail.sioc.ac.cn;
b Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, P. R. of China
Further Information

Publication History

Received 23 July 2005
Publication Date:
10 October 2005 (online)

Abstract

This account briefly describes the development of ylide olefination, cyclopropanation, epoxidation and aziridination, achieved in our laboratory over the last several years.

  • 1 Introduction

  • 2 Catalytic Wittig-Type Olefination

  • 2.1 PEG-Supported Telluride

  • 2.2 Oligoglycolic Telluronium Salt

  • 2.3 Miscellaneous

  • 3 Ylide Cyclopropanation

  • 3.1 Cyclopropanation via Telluronium Allylides

  • 3.2 Control of Diastereoselectivity

  • 3.3 Asymmetric Cyclopropanation via a Chiral Sulfonium Ylide

  • 3.4 Asymmetric Cyclopropanation Using a Chiral Auxiliary

  • 3.5 Asymmetric Cyclopropanation via Chiral Telluronium Ylides

  • 4 Ylide Epoxidation and Aziridination

  • 4.1 Catalytic Ylide Epoxidation

  • 4.1.1 Organotelluride

  • 4.1.2 Tetrahydrothiophene

  • 4.2 Aziridination via Telluronium Allylides

  • 5 Summary and Outlook