申请人:Samjin Pharmaceutical Co., Ltd
公开号:US05922727A1
公开(公告)日:1999-07-13
The present invention relates to novel compound of general formula (I) and pharmaceutically acceptable salts thereof, and process for the preparation of such derivatives and to pharmaceutical compositions containing the same as active ingredients. ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 represents independently hydrogen atom, halogen atom, C.sub.1 -C.sub.10 alkyl, C.sub.1 -C.sub.10 thioalkyl, C.sub.3 -C.sub.8 optionally substituted cyclicalkyl, unsaturated alkyl, substituted alkyl hydroxyl or aryl hydroxyl, C.sub.1 -C.sub.10 alkylamine, nitro, C.sub.1 -C.sub.4 lower ester, C.sub.1 -C.sub.4 lower alkoxy, C.sub.1 -C.sub.4 lower thioalkoxy; Z represents oxygen atom, sulfur atom, carbon atom and carbonyl group; X represents oxygen atom, sulfur atom; n represents an integer of 1-3; and (sub)cycloalk(en)yl represents ##STR2## in which R.sub.4 and R.sub.5 represents independently hydrogen atom, hydroxymethyl, protected hydroxymethyl, benzyl, substituted carbonyl, substituted alkylsulfonyl or arylsulfonyl, substituted silyl or the like.
本发明涉及一般式(I)的新化合物及其药学上可接受的盐,以及制备这些衍生物的方法和含有它们作为活性成分的制药组合物。
其中,R1、R2和R3分别独立地表示氢原子、卤素原子、C1-C10烷基、C1-C10硫代烷基、C3-C8可选取代的环烷基、不饱和烷基、取代烷基羟基或芳基羟基、C1-C10烷基胺、硝基、C1-C4低酯、C1-C4低烷氧基、C1-C4低硫代烷氧基;Z表示氧原子、硫原子、碳原子和羰基基团;X表示氧原子、硫原子;n表示1-3的整数;(亚)环烷基表示
其中,R4和R5独立地表示氢原子、羟甲基、保护羟甲基、苄基、取代的羰基、取代的烷基磺酰基或芳基磺酰基、取代的硅烷基或类似物。