申请人:Teikoku Hormone Mfg. Co., Ltd.
公开号:US04599333A1
公开(公告)日:1986-07-08
A hydrazinopyridazine compound represented by the formula ##STR1## wherein R.sup.1 represents a hydrogen atom, a halogen atom, a hydroxyl group, a cyano group, a lower alkyl group which may optionally be substituted by a halogen atom or a hydroxyl, lower alkoxy, lower alkylthio, lower alkanoylamino, allyloxy or tetrahydrofurfuryloxy group, a lower alkoxy group which may optionally be substituted by a 2-furyl, phenyl or lower alkoxy group, a lower alkenyl group, a lower alkenyloxy group, or a lower alkynyl group; R.sup.2 represents a hydrogen atom, a halogen atom, a cyano group, a lower alkyl group which may optionally be substituted by a halogen atom or a lower alkoxy group, a lower alkoxy group, a lower alkenyl group, or a lower alkenyloxy group; R.sup.3, R.sup.4 and R.sup.5, independently from each other, represent a hydrogen atom, a halogen atom, a lower alkyl group which may optionally be substituted by a lower alkoxy group, or a lower alkoxy group; R.sup.6 and R.sup.7, independently from each other, represent a hydrogen atom or a methyl group; Y represents --NH.sub.2, --NH--COOC.sub.2 H.sub.5, or ##STR2## Z represents --O--, --S--, or ##STR3## in which R.sup.8 represents a hydrogen atom or a lower alkyl group; and n is 1 or 2, or its salt; a process for the production the aforesaid compounds; and use of such compounds as antihypertensive agents.
一种由以下式表示的联苯二肼吡啶化合物 ##STR1## 其中R.sup.1代表氢原子、卤素原子、羟基、氰基、可能可选择地被卤素原子或羟基取代的较低烷基基团、较低烷氧基、较低烷基硫基、较低烷酰胺基、烯丙氧基或四氢呋喃基氧基、可能可选择地被2-呋喃基、苯基或较低烷氧基取代的较低烷氧基、较低烯基基团、较低烯基氧基或较低炔基基团;R.sup.2代表氢原子、卤素原子、氰基、可能可选择地被卤素原子或较低烷氧基取代的较低烷基基团、较低烷氧基、较低烯基基团或较低烯基氧基;R.sup.3、R.sup.4和R.sup.5,独立地代表氢原子、卤素原子、可能可选择地被较低烷氧基取代的较低烷基基团或较低烷氧基;R.sup.6和R.sup.7,独立地代表氢原子或甲基基团;Y代表--NH.sub.2、--NH--COOC.sub.2 H.sub.5或 ##STR2## Z代表--O--、--S--或 ##STR3## 其中R.sup.8代表氢原子或较低烷基基团;n为1或2,或其盐;一种制备上述化合物的方法;以及将这种化合物用作降压药。