申请人:Richter Gedeon Vegyeszeti Gyar Rt.
公开号:US05157038A1
公开(公告)日:1992-10-20
The invention relates to novel 2-oxo-1-oxa-8-azaspiro[4,5]decane derivatives of the formula (I), ##STR1## wherein X means oxygen or an >NR group, wherein R stands for hydrogen; a C.sub.1-12 alkyl; C.sub.3-6 cycloalkyl; carbocyclic C.sub.6-10 aryl or carbocyclic C.sub.6-10 aryl-C.sub.1-4 alkyl group, the two latter two substituents optionally substituted on their aromatic moiety by one or more, same or different halogen, one or more C.sub.1-4 alkyl, C.sub.1-4 alkoxy or trihalomethyl group; or a tosyl group; R.sup.1 and R.sup.2 together represent a methylene group or, when X stands for an >NR group wherein R is as defined above, one of R.sup.1 and R.sup.2 m may represent a hydroxyl group and the other one is a methyl group; and R.sup.3 means hydrogen, benzyl, (C.sub.1-4 alkoxy)carbonyl, phenoxycarbonyl, benzyloxycarbonyl, formyl, piperidin-1-ylcarbonyl, morpholin-4-ylcarbonyl, 4-methylpiperazin-1-ylcarbonyl, 4-(2-hydroxethyl)piperazin-1-ylcarbonyl, 2-chloro-3-nicotinoylcarbamoyl or C.sub.1-6 alkylcarbamoyl group, as well as their acid addition and quaternary ammonium salts.
该发明涉及新颖的式(I)的2-氧代-1-氧代-8-氮杂螺[4,5]癸烷衍生物,其中X代表氧或一个>NR基团,其中R代表氢;一个C.sub.1-12烷基;C.sub.3-6环烷基;碳环C.sub.6-10芳基或碳环C.sub.6-10芳基-C.sub.1-4烷基基团,后两个取代基在其芳香基上可以选择地被一个或多个相同或不同的卤素、一个或多个C.sub.1-4烷基、C.sub.1-4烷氧基或三卤甲基基团取代;或一个对甲苯磺酰基;R.sup.1和R.sup.2一起代表一个亚甲基基团或者,当X代表一个>NR基团,其中R如上定义时,R.sup.1和R.sup.2中的一个可能代表一个羟基,另一个是一个甲基;而R.sup.3代表氢、苄基、(C.sub.1-4烷氧基)羰基、苯氧羰基、苄氧羰基、甲酰基、哌啶-1-基羰基、吗啉-4-基羰基、4-甲基哌嗪-1-基羰基、4-(2-羟乙基)哌嗪-1-基羰基、2-氯-3-烟酰基氨基甲酰基或C.sub.1-6烷基氨基甲酰基团,以及它们的酸盐和季铵盐。