Synlett 2004(10): 1727-1730  
DOI: 10.1055/s-2004-829549
LETTER
© Georg Thieme Verlag Stuttgart · New York

Indium Tribromide as a Highly Efficient and Versatile Catalyst for Chemoselective Synthesis of Acylals from Aldehydes under Solvent-Free Conditions

Liang Yin, Zhan-Hui Zhang, Yong-Mei Wang*, Mei-Li Pang
Department of Chemistry, the State Key Laboratory of Functional Polymer Materials for Absorption and Separation, Nankai University, Tianjin 300071, P. R. China
Fax: +86(22)23502654; e-Mail: zhanhui@nankai.edu.cn;
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Publikationsverlauf

Received 14 April 2004
Publikationsdatum:
15. Juli 2004 (online)

Abstract

A mild and efficient method has been developed for the chemoselective preparation of acylals from aldehydes in the presence of catalytic amounts (0.01-1.0 mol%) of InBr3 under solvent-free conditions in very good to excellent yields.