Publication number: 20070277328
Abstract: A reactive polysaccharide derivative of formula, [Z1-B—SO2—CH2—CH2—O]—PS—[OH]m(1), wherein B is a radical of formula (2a), (2b), (2c), (2d) or (2e), in which R1 is hydrogen or C1-C4alkyl, R2 is hydrogen, C1-C4alkyl unsubstituted or substituted by hydroxy, sulfo, sulfato, carboxy or R3 by cyano, or a radical, (2f) R3 is hydrogen, hydroxy, sulfo, sulfato, carboxy, cyano, halogen, C1-C4alkoxycarbonyl, C1-C4alkanoyloxy, carbamoyl or a group —SO2—Y, alk and alk1 are each independently of the other linear or branched C1-C6alkylene, arylene is a phenylene or naphthylene radical unsubstituted or substituted by sulfo, carboxy, C1-C4alkyl, C1-C4alkoxy or by halogen, Q is a radical —O— or —NR1— wherein R1 is as defined above, W is a group —SO2—NR2—, —CONR2— or —NR2CO— wherein R2 is as defined above, Y is vinyl or a radical —CH2—CH2—U and U is a group removable under alkaline conditions, and k is a number 0 or 1, Z1 is a reactive radical, PS corresponds to the backbone of the polysaccharide molecule apart from the hydrox
Type:
Application
Filed:
August 10, 2005
Publication date:
December 6, 2007
Inventors:
Philippe Ouziel, Torsten Kulke