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Cerium Triflate: An Efficient and Recyclable Catalyst for Chemoselective Thioacetalization of Carbonyl Compounds under Solvent-Free Conditions
Anil
Kumar A B,
M. Sudershan
Rao A,
V.
Kameshwara Rao A
A
Chemistry Group, Birla Institute of Technology and Science, Pilani 333 031, India.
B
Corresponding author. Email: anilkumar@bits-pilani.ac.in
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Australian Journal of Chemistry 63(1) 135–140 http://dx.doi.org/10.1071/CH09296
Submitted: 19 May 2009
Accepted: 26 August 2009
Published online: 8 January 2010
Abstract
A simple and efficient chemoselective thioacetalization of carbonyl compounds has been achieved using Ce(OTf)3 (10 mol-%) as a catalyst under solvent-free conditions. Advantages of the methodology include very short reaction times, excellent yields, the catalytic use of a water tolerant Lewis acid, and simple recovery and reuse of the catalyst.
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