Benzimidazole derivatives, process for their preparation, and their use as pharmaceuticals
申请人:BEECHAM GROUP PLC
公开号:EP0167943A2
公开(公告)日:1986-01-15
Compounds of formula (I):
or a pharmaceutically acceptable salt, a quaternised derivative or a pharmaceutically acceptable solvent thereof; wherein
Y forms an optionally substitute phenyl ring;
n is zero or one;
R, is H, C1-6 alkanoyl, C1-6 alkanesulphonyl, or optionally substituted arylsulphonyl, aryl C,.e alkanoyl or aryl C1-4 alkyl;
R is hydrogen or C1-4 alkyl; and
R3 is pyridyl group substituted by at least one group selected from OR4 or O(CH2)mOR4 wherein R4 is an optionally substituted aryl or aralkyl group of up to 10 carbon atoms and m is an integer of from 1 to 4; and by up to three further substituents one of which may be joined to R2 to form a carbocylic ring of up to 7 ring atoms having gastric secretion inhibiting activity, a process for their preparation and their use as pharmaceuticals.
式(I)化合物:
或其药学上可接受的盐、季铵化衍生物或药学上可接受的溶剂; 其中
Y 构成可任选取代的苯基环;
n 为 0 或 1;
R是氢、C1-6烷酰基、C1-6烷磺酰基或任选取代的芳基磺酰基、C.e烷酰基芳基或C1-4烷基芳基;
R 是氢或 C1-4 烷基;以及
R3 是被至少一个选自 OR4 或 O(CH2)mOR4的基团取代的吡啶基,其中 R4 是任选取代的芳基或芳基,最多 10 个碳原子,m 是 1 至 4 的整数;以及被最多三个取代基取代的吡啶基,其中一个取代基可与 R2 连接形成一个最多 7 个环原子的羰基环,该环具有胃分泌抑制活性、其制备方法和药物用途。