申请人:Allen & Hanburys Limited
公开号:US04024255A1
公开(公告)日:1977-05-17
Compounds of the general formulae I and II and pharmaceutically acceptable salts thereof: ##STR1## in which: R.sub.1 represents a hydrogen atom, a halogen atom, an alkenyl or alkyl group; or a group OR.sub.3 or NR.sub.3 R.sub.4 where R.sub.3 and R.sub.4 which may be the same or different and may represent a hydrogen atom, or an alkenyl group, or an alkyl group which alkyl group may optionally be substituted by one or more hydroxy, alkoxy, acyloxy, aryl, amino, alkylamino, dialkylamino, diaralkylamino or alkylaralkylamino groups; or R.sub.3 and R.sub.4 together with the nitrogen atom form a 5 or 6 membered heterocyclic ring that may optionally contain other hetero atoms. R.sub.2 has the same meanings as R.sub.3. The compounds have utility for the treatment of conditions in which combination of an antigen with a reaginic antibody is primarily responsible.
通式I和II及其药学上可接受的盐的化合物:##STR1##
其中:R1代表氢原子,卤素原子,烯基或烷基;或OR3或NR3R4基团,其中R3和R4可以相同或不同,并且可以代表氢原子,烯基,或烷基,该烷基可以选择性地被一个或多个羟基,烷氧基,酰氧基,芳基,氨基,烷基氨基,二烷基氨基,二芳基氨基或烷基芳基氨基基团取代;或R3和R4与氮原子一起形成一个可以选择性地含有其他杂原子的5或6元杂环。R2具有与R3相同的含义。这些化合物在治疗抗原与过敏原抗体的组合主要负责的疾病方面具有用途。