申请人:Beecham Group P.L.C.
公开号:US04782083A1
公开(公告)日:1988-11-01
Compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein: one of R.sub.1 and R.sub.2 is hydrogen or C.sub.1-4 alkyl and the other is C.sub.1-4 alkyl or R.sub.1 and R.sub.2 together are C.sub.2-5 -polymethylene; either R.sub.3 is hydrogen, hydroxy, C.sub.1-6 alkoxy or C.sub.1-7 acyloxy and R.sub.4 is hydrogen or R.sub.3 and R.sub.4 together are a bond; R.sub.5 is hydrogen C.sub.1-6 alkyl optionally substituted by halogen hydroxy, C.sub.1-6 alkoxy, C.sub.1-6 alkoxycarbonyl, carboxy or amino optionally substituted by one or two independent C.sub.1-6 alkyl groups, or C.sub.2-6 alkenyl, amino optionally substituted by a C.sub.1-6 alkyl or C.sub.1-6 alkenyl group or by a C.sub.1-6 alkanoyl group optionally substituted by up to three halo atoms, by a phenyl group optionally substituted by C.sub.1-6 alkyl, C.sub.1-6 alkoxy or halogen, or aryl or hetroaryl, either being optionally substituted by one or more groups or atoms selected from the class of C.sub.1-6 alkyl, C.sub.1-6 alkoxy, hydroxy, halogen, trifluoromethyl, nitro, cyano, C.sub.1-12 carboxylic acyl, or amino or aminocarbonyl optionally substituted by one or two C.sub.1-6 alkyl groups and R.sub.6 is hydrogen or C.sub.1-6 alkyl, or R.sub.5 and R.sub.6 together are --CH.sub.2 --(CH.sub.2).sub.n --Z--(CH.sub.2).sub.m -- wherein m and n are 0 to 2 such that m+n is 1 or 2 and Z is CH.sub.2, O, S or NR wherein R is hydrogen, C.sub.1-9 alkyl, C.sub.2-7 alkanoyl, phenyl C.sub.1-4 -alkyl, naphthylcarbonyl, phenylcarbonyl or benzylcarbonyl optionally substituted in the phenyl or naphthyl ring by one or two of C.sub.1-6 alkyl, C.sub.1-6 alkoxy or halogen; mono- or bi-cyclic- heteroarylcarbonyl; X is oxygen or sulphur; Y and Q are electron withdrawing groups; and the nitrogen-containing group in the 4-position being trans to the R.sub.3 group when R.sub.3 is hydroxy, C.sub.1-6 alkoxy or C.sub.1-7 acyloxy; having blood pressure lowering activity, a process and intermediates for their preparation and their use as pharmaceuticals.
公式(I)的化合物及其药学上可接受的盐:其中:R.sub.1和R.sub.2中的一个是氢或C.sub.1-4烷基,另一个是C.sub.1-4烷基或R.sub.1和R.sub.2一起是C.sub.2-5-聚亚甲基;R.sub.3是氢、羟基、C.sub.1-6烷氧基或C.sub.1-7酰氧基,R.sub.4是氢或R.sub.3和R.sub.4一起是键;R.sub.5是氢、C.sub.1-6烷基,可选地被卤素、羟基、C.sub.1-6烷氧基、C.sub.1-6烷氧羰基、羧基或氨基替代,这些替代基可选地被一个或两个独立的C.sub.1-6烷基基团替代,或C.sub.2-6烯基,氨基可选地被C.sub.1-6烷基或C.sub.1-6烯基基团或可选地被高达三个卤素原子替代的C.sub.1-6烷酰基基团替代,被C.sub.1-6烷基、C.sub.1-6烷氧基或卤素替代的苯基基团或芳基或杂芳基,其中任一种可以选择地被一个或多个来自C.sub.1-6烷基、C.sub.1-6烷氧基、羟基、卤素、三氟甲基、硝基、氰基、C.sub.1-12羧酸酰、氨基或氨基羰基的基团或原子中的一个或多个替代,R.sub.6是氢或C.sub.1-6烷基,或R.sub.5和R.sub.6一起是--CH.sub.2--(CH.sub.2).sub.n--Z--(CH.sub.2).sub.m--,其中m和n为0到2,使得m+n为1或2,Z为CH.sub.2、O、S或NR,其中R为氢、C.sub.1-9烷基、C.sub.2-7烷酰基、苯基C.sub.1-4-烷基、萘基羰基、苯基羰基或苄基羰基,这些基团在苯环或萘环中可以选择地被一个或两个C.sub.1-6烷基、C.sub.1-6烷氧基或卤素替代;单环或双环杂芳基羰基;X为氧或硫;Y和Q为电子吸引基团;当R.sub.3为羟基、C.sub.1-6烷氧基或C.sub.1-7酰氧基时,4位含氮基团与R.sub.3基团相对位置为反式;具有降低血压活性,其制备的过程和中间体以及它们作为药物的用途。