Polymers of structure:
in which,
R is hydrogen or
R¹ and R² are each C₁₋₄alkyl;
R³ is CONR⁴R⁵, NR⁴COR⁶, a phthalamido group, COR⁷ or OH;
R⁴ and R⁵ are the same or different and are each hydrogen or C₁₋₈alkyl;
R⁶ is C₁₋₄alkyl, C₁₋₄alkylC₃₋₆cycloalkyl, CF₃ or NR⁴R⁵;
R⁷ is hydroxy, C₁₋₄alkyl or C₁₋₄alkoxy;
n is 2 to 12;
a, b and c are numbers which indicate the relative molar percentages of the units present in said polymer, (b) being from 1 to 10 molar percent, and (c) being from 30 to 98 molar percent;
X⊖ is a counter ion,
processes for their preparation, pharmaceutical compositions containing them and their use in therapy as cholesterol lowering agents.
结构聚合物
其中:
R 为氢或
R¹ 和 R² 各为 C₁₋₄ 烷基;
R³ 是 CONR⁴R⁵、NR⁴COR⁶、
酞氨基、COR⁷ 或 OH;
R⁴ 和 R⁵ 可以相同或不同,并且各自为氢或 C₁₋₈ 烷基;
R⁶ 是 C₁₋₄ 烷基、C₁₋₄烷基、CF₃ 或 NR⁴R⁵;
R⁷ 是羟基、C₁₋₄烷基或 C₁₋₄ 烷氧基;
n 为 2 至 12;
a、b 和 c 是表示所述聚合物中存在的单元的相对摩尔百分比的数字,(b) 为 1 至 10 摩尔%,(c) 为 30 至 98 摩尔%;
X⊖ 是反离子、
它们的制备工艺、含有它们的药物组合物以及它们在治疗中作为降
胆固醇剂的用途。