申请人:BANYU PHARMACEUTICAL CO., LTD.
公开号:EP0611749A1
公开(公告)日:1994-08-24
A compound of the formula (I) or its pharmaceutically acceptable salt or ester:
wherein each of
which are the same or different, is an aryl group or a heteroaromatic ring group; A is a C₃₋₈ linear saturated or unsaturated aliphatic hydrocarbon group which may have substituent(s) selected from the group consisting of a lower alkyl group, a hydroxyl group, a lower alkoxy group, a carboxyl group, an aryl group and an aralkyl group; Q is a single bond or a group of the formula -CO-O-, -O-CO-, -CH₂CH₂-, -CH=CH-, -OCH₂-, -SCH₂-, -CH₂O- or -CH₂S-; each of R¹, R², R³ and R⁴ which are the same or different, is a hydrogen atom, a halogen atom, a lower alkyl group, a hydroxyl group, a lower alkoxy group, or an aryl or heteroaromatic ring group which may have substituent(s) selected from the group consisting of a halogen atom, a lower alkyl group and a lower alkoxy group; each of R⁵, R⁶ and R⁷ which are the same or different, is a hydrogen atom or a lower alkyl group; and R⁸ is a hydrogen atom, a lower alkyl group, a lower alkenyl group, a lower alkynyl group or an aralkyl group, provided that when Q is a single bond,
are not simultaneously 4-chlorophenyl groups.
式 (I) 的化合物或其药学上可接受的盐或酯:
其中
A 是 C₃₋₈线型饱和或不饱和脂肪族烃基,其取代基可选自低级烷基、羟基、低级烷氧基、羧基、芳基和芳烷基;Q 是单键或式 -CO-O-、-O-CO-、-CH₂CH₂-、-CH=CH-、-OCH₂-、-SCH₂-、-CH₂O- 或 -CH₂S- 的基团;R¹、R²、R³ 和 R⁴ 中相同或不同的每一个是氢原子、卤素原子、低级烷基、羟基、低级烷氧基或芳基或杂芳环基,其取代基可选自卤素原子、低级烷基和低级烷氧基组成的组;相同或不同的 R⁵、R⁶ 和 R⁷ 均为氢原子或低级烷基;R⁸ 为氢原子、低级烷基、低级烯基、低级炔基或芳烷基,条件是 Q 为单键、
不同时为 4-氯苯基。