Patent ID: 6680304
Filing Date: 2004-01-20
Classification: A61P,C07H,Y10S

Abstract:
A disaccharide having anti-arthrosic properties represented by formula (I), a solvate or pharmaceutically acceptable salt thereof: wherein:R1 is selected from the group consisting of hydrogen, linear or branched (C1-C4)-alkyl, phenylalkyl of less than ten carbon atoms and â€”COCH3; R2 is selected from the group consisting of hydrogen, â€”COCH3 and SO3M; R3 is selected from the group consisting of hydrogen, linear or branched (C1-C4)-alkyl, phenylalkyl of less than ten carbon atoms, â€”COCH3 and â€”COPh, wherein Ph is phenyl; G is â€”COOR4 or â€”COOM, wherein R4 is selected from the group consisting of hydrogen, (C1-C2)-alkyl and arylalkyl of less than sixteen carbon atoms; A is selected from the group consisting of hydrogen, â€”SO3H, â€”SO3M and â€”COCH3; and B is selected from the group consisting of hydrogen, â€”SO3H, â€”SO3M, and â€”COCH3, wherein at least one of A or B is â€”SO3H or â€”SO3M, wherein M is an organic or metallic cation.