申请人:Sumitomo Pharmaceuticals Company, Limited
公开号:US04992455A1
公开(公告)日:1991-02-12
Thiazolidin-4-one derivative represented by the folowing general formula (I) and acid addition salts thereof ##STR1## wherein; R.sup.1 and R.sup.2 are the same or different and denote each (i) a residue represented by the general formula --A--R.sup.4 wherein, A denotes a single bond, C.sub.1 -C.sub.8 alkylene, C.sub.2 -C.sub.8 alkenylene, or C.sub.2 -C.sub.8 alkynylene and R.sup.4 denotes hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.3 -C.sub.8 cycloalkyl, or C.sub.1 -C.sub.6 haloalkyl, or (ii) a residue represented by the general formula (CH.sub.2).sub.n O}.sub.m (CH.sub.2).sub.n' O}B--R.sup.5 wherein, B denotes a single bond or C.sub.1 -C.sub.6 alkylene, R.sup.5 denotes hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.3 -C.sub.8 cycloalkyl, substituted silyl, or substituted or unsubstituted aryl, n and n' denote each an integer of 2 to 4, m denotes an integer of 1 to 3, and m' denotes an integer of 0 to 2; and R.sup.3 denotes hydrogen, C.sub.1 -C.sub.2 alkyl, allyl, 2-propynyl, or a residue represented by (a) the general formula --CH.sub.2).sub.l R.sup.6 wherein, R.sup.6 denotes halogen, an aryl group substituted or unsubstituted by one or more hydroxy or C.sub.1 -C.sub.4 alkoxy groups, or a residue represented by the general formula --D--R.sup.7 (D denotes oxygen or sulfur and R.sup.7 denotes hydrogen, C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 alkanol) and l denotes an integer of 2 to 4, (b) the general formula --CH.sub.2).sub.k CO--E--R.sup.8 wherein, E denotes oxygen, sulfur, imino, or C.sub.1 -C.sub.4 alkylimino, R.sup.8 denotes hydrogen or C.sub.1 -C.sub.4 alkyl, or --(E--R.sup.8) denotes a 5- to 7-membered cyclic amino group which optionally contains other hetero atoms, and k denotes an integer of 1 to 3, or (c) the general formula --F--R.sup.9 wherein, F denotes C.sub.2 -C.sub.6 alkylene and R.sup.9 denotes a nitrogen-containing heterocyclic aromatic residue or an amino group represented by the general formula ##STR2## (R.sup.10 denotes hydrogen, C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 alkyl or R.sup.10 in combination with R.sup.11 denotes a 5- to 7-membered cyclic amino group which optionally contains other hetero atoms), with the proviso that, when R.sup.1 is hydrogen and R.sup.2 is methyl, R.sup.3 denotes hydrogen, C.sub.1 -C.sub.2 alkyl, 2-propynyl, or a residue represented by (a) the general formula --CH.sub.2).sub.l R.sup.6 wherein, R.sup.6 denotes halogen, an aryl group substituted or unsubstituted by one or more hydroxy or C.sub.1 -C.sub.4 alkoxy groups, or a residue represented by the general formula --D--R.sup.7 (D denotes oxygen or sulfur and R.sup.7 denotes hydrogen, C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 alkanoyl) and l denotes an integer of 2 to 4, (b) the general formula --CH.sub.2).sub.k CO--E--R.sup.8 wherein, E denotes oxygen, sulfur, imino, or C.sub.1 -C.sub.4 alkylimino, R.sup.8 denotes hydrogen or C.sub.1 -C.sub.4 alkyl, or --(E--R.sup.8) denotes a 5- to 7-membered cyclic amino group which optionally contains other hetero atoms, and k denotes an integer of 1 to 3, or (c) the general formula --F--R.sup.9 wherein, F denotes C.sub.2 -C.sub.6 alkylene and R.sup.9 denotes a nitrogen-containing heterocyclic aromatic residue or an amino group represented by the general formula ##STR3## (R.sup.10 denotes hydrogen, C.sub.2 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkanoyl and R.sup.11 denotes hydrogen or C.sub.1 -C.sub.4 alkyl or R.sup.10 in combination with R.sup.11 denotes a 5- to 7-membered cyclic amino group which optionally contains other hetero atoms. Having selective PAF-antagonistic activities, these compounds are very useful as preventive and curative agents for PAF-induced diseases, for example, various kinds of inflammation, allergic diseases, circulatory diseases, and gastro-intestinal diseases.
硫唑啉-4-酮衍生物由以下一般式(I)和其酸盐表示:
其中;R.sup.1和R.sup.2相同或不同,各自表示(i)由一般式--A--R.sup.4表示的残基,其中,A表示单键,C.sub.1 -C.sub.8烷基,C.sub.2 -C.sub.8烯基,或C.sub.2 -C.sub.8炔基,R.sup.4表示氢,C.sub.1 -C.sub.12烷基,C.sub.2 -C.sub.8烯基,C.sub.3 -C.sub.8环烷基,或C.sub.1 -C.sub.6卤代烷基,或(ii)由一般式(CH.sub.2).sub.n O}.sub.m (CH.sub.2).sub.n' O}B--R.sup.5表示的残基,其中,B表示单键或C.sub.1 -C.sub.6烷基,R.sup.5表示氢,C.sub.1 -C.sub.6烷基,C.sub.2 -C.sub.8烯基,C.sub.3 -C.sub.8环烷基,取代硅基,或取代或未取代芳基,n和n'各自表示2至4的整数,m表示1至3的整数,m'表示0至2的整数;R.sup.3表示氢,C.sub.1 -C.sub.2烷基,烯丙基,2-丙炔基,或由(a)一般式--CH.sub.2).sub.l R.sup.6表示的残基,其中,R.sup.6表示卤素,一个或多个羟基或C.sub.1 -C.sub.4烷氧基取代或未取代的芳基,或由一般式--D--R.sup.7(D表示氧或硫,R.sup.7表示氢,C.sub.1 -C.sub.4烷基,或C.sub.1 -C.sub.4烷醇基)表示的残基,l表示2至4的整数,(b)一般式--CH.sub.2).sub.k CO--E--R.sup.8表示的残基,其中,E表示氧,硫,亚胺,或C.sub.1 -C.sub.4烷基亚胺,R.sup.8表示氢或C.sub.1 -C.sub.4烷基,或--(E--R.sup.8)表示一个含其他杂原子的5-到7-成员环氨基基团,k表示1至3的整数,或(c)一般式--F--R.sup.9表示的残基,其中,F表示C.sub.2 -C.sub.6烷基,R.sup.9表示含氮的杂环芳基残基或由一般式表示的氨基基团##STR2##(R.sup.10表示氢,C.sub.1 -C.sub.4烷基,或C.sub.1 -C.sub.4烷基或R.sup.10与R.sup.11的组合表示含其他杂原子的5-到7-成员环氨基基团),但是,当R.sup.1为氢且R.sup.2为甲基时,R.sup.3表示氢,C.sub.1 -C.sub.2烷基,2-丙炔基,或由(a)一般式--CH.sub.2).sub.l R.sup.6表示的残基,其中,R.sup.6表示卤素,一个或多个羟基或C.sub.1 -C.sub.4烷氧基取代或未取代的芳基,或由一般式--D--R.sup.7(D表示氧或硫,R.sup.7表示氢,C.sub.1 -C.sub.4烷基,或C.sub.1 -C.sub.4醯基)表示的残基,l表示2至4的整数,(b)一般式--CH.sub.2).sub.k CO--E--R.sup.8表示的残基,其中,E表示氧,硫,亚胺,或C.sub.1 -C.sub.4烷基亚胺,R.sup.8表示氢或C.sub.1 -C.sub.4烷基,或--(E--R.sup.8)表示一个含其他杂原子的5-到7-成员环氨基基团,k表示1至3的整数,或(c)一般式--F--R.sup.9表示的残基,其中,F表示C.sub.2 -C.sub.6烷基,R.sup.9表示含氮的杂环芳基残基或由一般式表示的氨基基团##STR3##(R.sup.10表示氢,C.sub.2 -C.sub.4烷基或C.sub.1 -C.sub.4醯基,R.sup.11表示氢或C.sub.1 -C.sub.4烷基或R.sup.10与R.sup.11的组合表示含其他杂原子的5-到7-成员环氨基基团。这些化合物具有选择性PAF拮抗活性,对于PAF诱导的疾病,例如各种炎症、过敏性疾病、循环系统疾病和胃肠道疾病的预防和治疗非常有用。