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Synlett 1995; 1995(4): 306-308
DOI: 10.1055/s-1995-4973
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Practical Glycosidation Method of Glycals Using Montmorillonite K-10 as an Environmentally Acceptable and Inexpensive Industrial Catalyst

Kazunobu Toshima* , Toru Ishizuka, Goh Matsuo, Masaya Nakata
  • *Department of Applied Chemistry, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223, Japan
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Publication History

Publication Date:
31 December 2000 (online)

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The O-glycosidations of glycals, 3,4-di-O-acetyl-L-rhamnal (1) and 3,4,6-tri-O-acetyl-D-glucal (2), with several alcohols using an acidic clay, montmorillonite K-10, as an environmentally acceptable and inexpensive industrial catalyst under mild conditions proceeded effectively to give the corresponding 2,3-unsaturated O-glycosides in high yields.

glycosidation - glycal - 2,3-unsaturated O-glycoside - montmorillonite K-10 - industrial catalyst

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