Synthesis 1988; 1988(4): 321-323
DOI: 10.1055/s-1988-27556
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.

A Facile Synthesis of (Trimethylsilylethynyl)cyclopropanes via an Arsonium Ylide

Yanchang Shen* , Qimu Liao
  • *Shanghai Institute of Organic Chemistry, Academia Sinica 345 Lingling Lu, Shanghai, People's Republic of China
Weitere Informationen


20. August 2002 (online)

The reaction of 3-(trimethylsilyl)-2-propynylidenetriphenylarsorane, generated in situ from the corresponding arsonium salt and butyllithium, with chalcones (as α,β-unsaturated ketones) gives (trimethylsilylethynyl)cyclopropanes in 96-100% yield and with high stereoselectivity.