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    • 19. 发明授权
    • Method of treating infectious diseases with polysaccharide derivatives
    • 用多糖衍生物治疗感染性疾病的方法
    • US07297687B2
    • 2007-11-20
    • US10500807
    • 2003-01-10
    • Vera HaackThomas HeinzeMichaela SchmidtkeUte MöllmannHans-Martin DahseAlbert Härtl
    • Vera HaackThomas HeinzeMichaela SchmidtkeUte MöllmannHans-Martin DahseAlbert Härtl
    • A61K31/718A61K31/715C08B31/00
    • A61K31/717A61K31/715A61K31/716A61K31/718A61K31/719A61K31/721
    • The present invention relates to a method of treating infectious diseases, that involves: (a) providing an alpha-glycosidically linked starch polysaccharide derivative; and (b) inhibiting the growth of an infectious disease by administering a composition comprising the alpha-glycosidically linked starch polysaccharide derivative. The alpha-glycosidically linked starch polysaccharide derivative represented by the following general formula I, in which: the alpha-glycosidically linked starch polysaccharide derivative has a degree of quaternary ammonium group substitution of from 0.4 to 2.0; n is 2-4; R1 is selected from the group consisting of C1-4 alkyl, benzyl and benzyl substituted with a member selected from the group consisting of C1-3 alkyl, halogen, alcoxy, carbamoyl, alkoxycarbonyl, cyano, dialkylamino and hydrogen; R2 and R3 are each independently selected from the group consisting of C1-4 alkyl, benzyl and benzyl substituted with a member selected from the group consisting of C1-3 alkyl, halogen, alcoxy, carbamoyl, alkoxycarbonyl, cyano and dialkylamino; and X is an anion selected from the group consisting of halide, hydroxide, sulfate, hydrogen sulfate and carboxylate.
    • 本发明涉及一种治疗感染性疾病的方法,其涉及:(a)提供α-糖苷连接的淀粉多糖衍生物; 和(b)通过施用包含α-糖苷连接的淀粉多糖衍生物的组合物来抑制感染性疾病的生长。 由以下通式I表示的α-糖苷连接的淀粉多糖衍生物,其中:α-糖苷连接的淀粉多糖衍生物的季铵基取代度为0.4〜2.0; n为2-4; R 1选自C 1-4烷基,苄基和被选自C 1-3烷基的成员取代的苄基, 烷基,卤素,烷氧基,氨基甲酰基,烷氧基羰基,氰基,二烷基氨基和氢; R 2和R 3各自独立地选自C 1-4烷基,苄基和被选自以下的成员取代的苄基: 由C 1-3烷基,卤素,烷氧基,氨基甲酰基,烷氧基羰基,氰基和二烷基氨基组成的组; X是选自卤化物,氢氧化物,硫酸盐,硫酸氢盐和羧酸盐的阴离子。