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.
根据提供的信息,以下是翻译结果:
一种新的硝基化合物的化学式为:##STR1## 其中R.sup.1和R.sup.2分别是较低的烷基或较低的烷氧基(较低)烷基,或##STR2## 被环化成为##STR3## X为--O--,--S--或--NH--,m是整数0或1,R.sup.3是氨甲酰基,较低的烷基氨甲酰基,较低的烷酰基,二较低烷基氨基磺酰基,较低的烷基磺酰基,氧乙酰基或一个化学式为:--(Y).sub.n --R.sup.4,其中Y为--CO--,--SO.sub.2--,--COCH.sub.2--或##STR4## n是整数0或1,R.sup.4是杂环基,可选择地取代一个或多个来自较低烷基,较低烷氧基,苯基,氨甲酰基,卤素,氨基,较低烷硫基,羟基,较低烷基磺酰氨基和氨甲酰甲基的取代基,以及其药用盐,可用作血管扩张剂。