申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US05495023A1
公开(公告)日:1996-02-27
A new nitro compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each lower alkyl or lower alkoxy(lower)alkyl, or ##STR2## is cyclized to form ##STR3## X is --O--, --S-- or --NH--, m is an integer 0 or 1, and R.sup.3 is carbamoyl, lower alkylcarbamoyl, lower alkanoyl, di-lower alkylaminosulfonyl, lower alkylsulfonyl, oxamoyl or a group of the formula: --(Y).sub.n --R.sup.4 wherein Y is --CO--, --SO.sub.2 --, --COCH.sub.2 -- or ##STR4## n is an integer of 0 or 1, and R.sup.4 is heterocyclic group which is optionally substituted with one or more substituents selected from lower alkyl, lower alkoxy, phenyl, carbamoyl, halogen, amino, lower alkylthio, hydroxy, lower alkylsulfonylamino and carbamoylmethyl, and pharmaceutically acceptable salt thereof, which are useful as vasodilators.
一种新的硝基化合物的化学式为:##STR1## 其中R.sup.1和R.sup.2分别为低烷基或低烷氧基(低)烷基,或##STR2##环化形成##STR3## X为--O--,--S--或--NH--,m为0或1的整数,R.sup.3为氨基甲酰基,低烷基氨基甲酰基,低烷酰基,二低烷氨基磺酰基,低烷基磺酰基,草酰基或式为--(Y).sub.n --R.sup.4的基团,其中Y为--CO--,--SO.sub.2--,--COCH.sub.2--或##STR4## n为0或1的整数,R.sup.4为杂环基,可选地取代由一个或多个取代基选自低烷基,低烷氧基,苯基,氨基,低烷硫基,羟基,低烷基磺酰氨基和氨基甲酰甲基,以及其药学上可接受的盐,其作为血管扩张剂是有用的。