Glycosidation catalust and process for preparing glycoside deriv

Details Glycosidation catalust and process for preparing glycoside deriv Glycosidation catalust and process for preparing glycoside deriv

1989-03-10

1989-10-17

Griffin, Ronald W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 185, 536124, 536120, 502208, 502209, 502210, 502211, C07G 300, C07G 1700, C07H 1504, B01J 2714

Patent

active

048748528

ABSTRACT:
Disclosed are a glycosidation catalyst comprising at least one of heteropoly acids represented by the formula

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Tetrahedron, 1967, vol. 23, pp. 693-707, Pergamon Press Ltd., A New Method of Glycosylatin.
Tetrahedron Letters No. 9, pp. 657-660, 1976, Pergamon Press Chemistry of the Glycosidic Linkage, Lewis Actid Catalyzed Glycosidation with Amide Acetals and Lactim Ethers.
Journal of the America Chemical Society, 97:14, Jul. 9, 1975 pp. 4056-4062 Halide Ion Catalyzed Glycosildatio Reactions Syntheses of--Linked Disaccharides.
Chem. Pharm. Bull., vol. 24, 1976, pp. 394-399, A facile O-Glycosidation using Stannic Chloride.
Can. Journal of Chemistry, vol. 57, 1979, pp. 2085-2089, Tannic Tetrachloride Catalysed Glycosylation of 8-ethoxycarbonyloctanol by Cellobiose, Lactose, and Maltose Octaacetates; synthesis of .alpha.-and .beta.-Glycosidic Linkage.
Can. Journal of Chemistry, vol. 57, pp. 2091-2097, 1,2-Orthoacetate Intermediates in Silver Trigluoromethanesulphonate promoted Koenigs-Knorr Synthesis of Disaccharide Glycosides.

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