申请人:Fisons plc
公开号:US04607041A1
公开(公告)日:1986-08-19
There are described compounds of formula I, ##STR1## in which R.sub.1 represents benzofurazanyl, pyridyl or phenyl, the pyridyl or phenyl being substituted by one or more of the groups halogen, nitro, --CN, --OR.sub.9, --S(O).sub.p R.sub.9, or alkyl C1 to 6 optionally substituted by halogen, p is 0, 1 or 2, R.sub.2 and R.sub.3, which may be the same or different, each represent hydrogen; alkyl C1 to 6 optionally substituted by one or more of the groups halogen, cyano, --XR.sub.4, --NR.sub.5 R.sub.6 or phenyl; cycloalkyl C3 to 8 optionally substituted by alkyl C1 to 6; a 4, 5 or 6 membered oxygen or nitrogen containing heterocyclic ring which is optionally substituted by alkyl C1 to 6 the alkyl in turn optionally being substituted by one or more phenyl groups; R.sub.5 and R.sub.6, which may be the same or different, each represent alkyl C1 to 6 optionally substituted by phenyl, Y and Z together form a bond, and additionally, when R.sub.8 is an electron withdrawing group Y may be hydrogen and Z may be hydroxy, one of R.sub.7 and R.sub.8 represents alkyl C1 to 6 and the other represents phenyl, or R.sub.7 and R.sub.8 may be the same or different and each represents phenyl optionally substituted by one or more of alkyl C1 to 6, halogen, alkoxy C1 to 6 or nitro; amino; alkyl C1 to 6 substituted by halogen; --CN; --CH.sub.2 OH; --CHO or --CH(OR.sub.9).sub.2, X is O or S, R.sub.4 is alkyl C1 to 6 or phenyl, R.sub.9 is alkyl C1 to 6, with certain provisons. There are also described processes for making the compounds, and their formulation and use as pharmaceuticals for treatment of hypertension, angina, or congestive heart failure.
描述了具有以下结构的化合物,其中R.sub.1代表苯并呋單、吡啶基或苯基,所述吡啶基或苯基被卤素、硝基、-CN、-OR.sub.9、-S(O).sub.p R.sub.9、或烷基C1到6中的一个或多个基团取代,p为0、1或2,R.sub.2和R.sub.3,可以相同也可以不同,各自代表氢;烷基C1到6,可以被卤素、氰基、-XR.sub.4、-NR.sub.5 R.sub.6或苯基中的一个或多个基团取代;环烷基C3到8,可以被烷基C1到6取代;含氧或氮的4、5或6元杂环,可以被烷基C1到6取代,而烷基又可以被一个或多个苯基取代;R.sub.5和R.sub.6,可以相同也可以不同,各自代表烷基C1到6,可以被苯基取代,Y和Z一起形成键,此外,当R.sub.8是电子抽提基团时,Y可以是氢,Z可以是羟基,R.sub.7和R.sub.8中的一个代表烷基C1到6,另一个代表苯基,或者R.sub.7和R.sub.8可以相同也可以不同,各自代表苯基,可以被烷基C1到6、卤素、烷氧基C1到6或硝基中的一个或多个基团取代;氨基;被卤素取代的烷基C1到6;-CN;-CH.sub.2 OH;-CHO或-CH(OR.sub.9).sub.2,X为O或S,R.sub.4为烷基C1到6或苯基,R.sub.9为烷基C1到6,具有一定的规定。还描述了制备这些化合物的过程,以及它们的配方和用途作为治疗高血压、心绞痛或充血性心力衰竭的药物。