Fused tetracyclic benzodiazepines of the formula (I): ##STR1## where R.sup.1 is an acyclic amine or cyclic amine such as 1-piperidine, 4-morpholine or 1-piperazine and R.sup.2 is H or a substituent as defined herein as useful as antiallergins. Also, methods for their synthesis, intermediate used in such synthesis, methods for use as medicaments and pharmaceutical compositions.
公式(I)中的融合四环苯二氮平,其中R.sup.1是无环胺或环胺,例如1-
哌啶,4-吗啉或1-
哌嗪,R.sup.2为H或定义如此有用的取代基,用作抗过敏剂。此外,还提供了它们的合成方法,用于这种合成的中间体,用作药物的方法和制药组合物。