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Synthesis 2005(20): 3644-3648  
DOI: 10.1055/s-2005-918416
PAPER
© Georg Thieme Verlag Stuttgart · New York

Silica Sulfuric Acid as an Efficient Heterogeneous Catalyst for the Synthesis of 1,1-Diacetates under Solvent-Free Conditions

Abdol R. Hajipour*a,b, Amin Zareib, Leila Khazdoozb, Bi Bi F. Mirjalilic, Nafise Sheikhanc, Saeed Zahmatkeshb, Arnold E. Ruohoa
a Department of Pharmacology, University of Wisconsin, Medical School, 1300 University Avenue, Madison, WI 53706-1532, USA
b Pharmaceutical Research Laboratory, College of Chemistry, Isfahan University of Technology, Isfahan 84156, Iran
Fax: +98(311)3912350; e-Mail: haji@cc.iut.ac.ir; e-Mail: arhajipour@wisc.edu;
c Department of Chemistry, College of Science, Yazd University, Yazd, Iran
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Publication History

Received 15 April 2005
Publication Date:
12 October 2005 (online)

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Abstract

An efficient method for the preparation of acylals from different aldehydes in the presence of silica sulfuric acid and acetic anhydride under solvent-free conditions is reported.

Key words

silica sulfuric acid - 1,1-diacetate - solvent-free