Isoxazolo(5,4-c)pyridine derivatives, their preparation and pharmaceutical compositions containing them
申请人:H.Lundbeck & Co., A/S
公开号:EP0000338A2
公开(公告)日:1979-01-24
Isoxazolo-(5,4-C)-pyridine derivatives of the formula
in which R" is hydrogen, acetyl or a group of the formula R5OCO- in which Rs is C1-4-alkyl, phenyl, substituted phenyl; phenylalkyl or substituted phenylalkyl and salts thereof, and intermediates IV, VIII', IX' and V.
Compounds (I) may be prepared according to the following reaction scheme:
in which Z is hydrogen or a protecting group, T is a group convertible by hydrolysis into an oxo group, Q is a leaving group and W is hydrogen or a group removable to yield the free hydroxy group.
Compounds (I) exhibit a y-aminobutyric acid related activity and are useful as active ingredients in pharmaceutical compositions which may, optionally, further contain a minor tranquilizer or a neuroleptic.
式中的异噁唑-(5,4-C)-吡啶衍生物
其中 R "为氢、乙酰基或式 R5OCO-的基团,其中 Rs 为 C1-4-烷基、苯基、取代苯基;苯基烷基或取代苯基烷基及其盐,以及中间体 IV、VIII'、IX'和 V。
化合物 (I) 可根据以下反应方案制备:
其中 Z 为氢或保护基,T 为可通过水解转化为氧代基团的基团,Q 为离去基团,W 为氢或可去除以产生游离羟基的基团。
化合物(I)具有与 y-氨基丁酸相关的活性,可作为药物组合物中的活性成分,这些药物组合物还可进一步含有轻微的镇静剂或神经安定剂。