申请人:SMITH KLINE & FRENCH LABORATORIES
LIMITED
公开号:EP0172968A1
公开(公告)日:1986-03-05
Compounds of the formula (I):
and salts thereof, wherein R' and R2 are hydrogen, alkyl, substituted alkyl or are joined; n is 1 to 6; Z is 1,3-phenylene, 1,4-phenylene, 2,4-pyridyl wherein the R1R2N(CH2)n group is in the 4-position; m is zero or one; Y is oxygen, sulphur or methylene; p is two, three or four; and R3 and R4 are independently hydrogen, C1-6alkyl, aryl, aryl(C1-6)alkyl or pyridyl(C1-6)alkyl, or R3 and R4 together with the carbon atoms to which they are attached form a benzene ring optionally substituted by C1-6alkyl are described as histamine H2 antagonists. Their use in pharmaceutical compositions is described, as are processes for their preparation.
式 (I) 的化合物:
及其盐类,其中 R' 和 R2 是氢、烷基、取代烷基或相连;n 是 1 至 6;Z 是 1,3-亚苯基、1,4-亚苯基、2,4-吡啶基,其中 R1R2N(CH2)n 基团位于 4 位;m 是 0 或 1;Y 是氧、硫或亚甲基;p 是 2、3 或 4;以及 R3 和 R4 独立地为氢、C1-6烷基、芳基、芳基(C1-6)烷基或吡啶基(C1-6)烷基,或 R3 和 R4 与它们所连接的碳原子一起形成任选被 C1-6 烷基取代的苯环。介绍了它们在药物组合物中的用途以及制备工艺。