Reductive Coupling of Aldehydes, Ketones and Aroyl Chlorides Induced by LVT Prepared from TiCl₄/Al System

Y. Hu Department of Chemistry, Institute of Chemistry, Northwest Normal University, 95 An Ning Road(E), Lanzhou, 730070, P.R. China

Z. Du Synthetic Rubber Technology development Centre, SINOPEC, 1 Heshui(N), Lanzhou, 730060, P.R. China

J.-X. Wang

Y. Xi Department of Chemistry, Institute of Chemistry, Northwest Normal University, 95 An Ning Road(E), Lanzhou, 730070, P.R. China

S. Gu Department of Chemistry, Institute of Chemistry, Northwest Normal University, 95 An Ning Road(E), Lanzhou, 730070, P.R. China

Abstract

Aluminium powder has been used to reduce titanium tetrachloride to generate the low valent titanium (LVT)reagent which can induce the reductive coupling of aldehydes and ketones to form the corresponding pinacols or olefins. However, arylsulfonyl chlorides will give diaryldisulfides under the same condition.

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Reductive Coupling of Aldehydes, Ketones and Aroyl Chlorides Induced by LVT Prepared from TiCl₄/Al System

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Reductive Coupling of Aldehydes, Ketones and Aroyl Chlorides Induced by LVT Prepared from TiCl₄/Al System