A benzodiazepine derivative of formula (I), or a pharmaceutically acceptable salt thereof, wherein (a) R.sup.1 is --CH.sub.2 CHOH(CH.sub.2).sub.a R.sup.4 or a ketone group --CH.sub.2 CO(CH.sub.2).sub.a R.sup.5 in which a is 0 or 1 and R.sup.4 and R.sup.5 are selected from alkyl and cycloalkyl groups and saturated heterocyclic groups optionally substituted at a hetero-atom; (b) R.sup.2 and R.sup.3 are independently selected from aromatic carbocyclic and heterocylic residues; and (c) W and X are selected independently from halogen and hydrogen atoms and alkyl and alkoxy groups. These compounds are gastrin and/or CCK-B receptor antagonists. ##STR1##
一种苯二氮平衍
生物,
化学式为(I),或其药学上可接受的盐,其中(a) R.sup.1为--CH.sub.2 CHOH(CH.sub.2).sub.a R.sup.4或酮基--CH.sub.2 CO(CH.sub.2).sub.a R.sup.5,其中a为0或1,R.sup.4和R.sup.5选择自烷基和环烷基以及饱和杂环基,该杂环基在杂原子上可选地取代;(b) R.sup.2和R.sup.3独立地选择自芳香
环烃和杂环残基;(c) W和X独立地选择自卤素和氢原子以及烷基和烷氧基。这些化合物是胃泌素和/或CCK-B受体拮抗剂。 ##STR1##