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Title:
ENOPYRANOSE DERIVATIVE OR ITS SALT AND INHIBITOR OF ALPHA-GLUCOSIDASE CONTAINING THE SAME
Document Type and Number:
Japanese Patent JPH0859646
Kind Code:
A
Abstract:

PURPOSE: To obtain the subject derivative, represented by a specific formula, having inhibiting actions on α-glycosidases and useful as an inhibitor of the α-glycosidases, a suppressant, etc., for immunological functions in treating cancer metastasis, AIDS, etc.

CONSTITUTION: A compound of formula I [R1 and R2 are each H, formyl, carboxyl, a 1-8C alkoxycarbonyl, aminocarbonyl or a (substituted)1-8C alkyl; R3 is H, SO3H or an acyl; R4 is hydroxy, OSO3H, a 1-8C alkoxy or an acyloxy or, together with R3, may form a single bond; A is =0 or OX (X is H, SO3H or an acyl)], e.g. 1,6-anhydro-3,4-dideoxy-4-formyl-β-D-glycero-hex-3-enopyranos--2- ulose. Furthermore, the compound is preferably obtained by using, e.g. 1,6- anhydro-3,4-dideoxy-4-methyl-β-D-glycero-hex-3-enopyranos-2-ulose of formula II as a starting substance.


Inventors:
Kato, Fuminori
Tsukamoto, Masamitsu
Application Number:
JP1994000211787
Publication Date:
March 05, 1996
Filing Date:
August 12, 1994
Export Citation:
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Assignee:
ISHIHARA SANGYO KAISHA LTD
International Classes:
C07D309/28; A61K31/35; A61K31/351; A61P3/06; A61P3/08; A61P3/10; A61P29/00; A61P31/12; A61P31/18; A61P35/00; A61P37/06; A61P37/08; A61P43/00; C07D309/32; C07D407/12; C07D493/08; C07D493/20; (IPC1-7): C07D309/28; A61K31/35; C07D309/32; C07D407/12; C07D493/08; C07D493/20



 
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