Conjugate Addition of Organosiloxanes to α,β-Unsaturated Carbonyl Compounds Catalyzed by a Cationic Rhodium Complex

Shuichi Oi,* Yoshio Honma, and Yoshio Inoue
Department of Materials Chemistry, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
Org. Lett., 2002, 4 (4), pp 667–669
DOI: 10.1021/ol025518h
Publication Date (Web): January 22, 2002
Copyright © 2002 American Chemical Society
*

In papers with more than one author, the asterisk indicates the name of the author to whom inquiries about the paper should be addressed.

, oishu@aporg.che.tohoku.ac.jp

Abstract

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A novel, additive-free, and clean conjugate addition reaction of organosiloxanes to α,β-unsaturated carbonyl compounds catalyzed by a cationic rhodium complex in water-containing solvent has been developed. A plausible reaction mechanism involving the additive-free transmetalation step between the rhodium complex and the silicon reagent is proposed.

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  • Published In Issue February 21, 2002
  • Received January 7, 2002

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