Glycosidation catalyst and process for preparing glycoside...

Details Glycosidation catalyst and process for preparing glycoside... Glycosidation catalyst and process for preparing glycoside...

B - Operations, Transporting

01

J

252/52.J

B01J 27/188 (2006.01) B01J 23/16 (2006.01) B01J 23/22 (2006.01) B01J 23/24 (2006.01) B01J 27/198 (2006.01) C07H 15/04 (2006.01) C07H 15/14 (2006.01) C07H 15/18 (2006.01)

Patent

CA 1291983

ABSTRACT OF DISCLOSURE: Disclosed are a glycosidation catalyst comprising at least one of heteropoly acids represented by the formula HaXpMqOr ? bH2O wherein X is P, As, Si or Ge, M is at least one species selected from the group consisting of Mo, W and V, a is 3 4 or 6, b is an integer of 0 to 30, p is 1 or 2, q is 12 or 18, and r is 40 or 62, with the proviso that when X is P or As, a is 3 or 6; when X is Si or Ge, a is 4; and further (1) when X is P or As and a is 3, or when X is Si or Ge and a is 4, M is at least one species selected from the group consisting of Mo, W and V, p is 1, q is 12 and r is 40; and (2) when X is P or As and a is 6, M is Mo or W, p is 2, q is 18 and r is 62, and a process for preparing a glycoside derivative by using said catalyst.

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