1,2,3,6-Tetrahydroisonicotinic acid and derivatives thereof, methods and starting products for their preparation, and pharmaceutical compositions containing them.
申请人:Krogsgaard-Larsen, Povl
公开号:EP0000167A1
公开(公告)日:1979-01-10
1,2,3,6-Tetrahydroisonicotinic acid and derivatives thereof, methods and starting products for their preparation, and pharmaceutical compositions containing them. Compounds of formuta
is which R" is hydrogen, acetyl or a group
wherein R1 is C1-8 alkyl; phenyl; substituted phenyl, phenylalkyl in which the phenyl group may be substituted. R' is hydrogen; C1-8 alkyl; phenyl; substituted phenyl, phenylalkyl, substituted phenylalkyl or idanyl; or R' is a group wherein R2 and R3 are hydrogen; C1-6 alkyl; or phenylalkyl and R4 designates C1-8 alkyl; phenyl; substituted phenyl or phenylalkyl and salts thereof. Intermediates for preparing (1) are
in which Z is hydrogen or a protecting group and W is hydrogen or a readily removable group and saits thereof which are subjected to dehydration and
in which Z' and W' have the same meaning as and W and salts thereof, which are reacted with appropriate reagents.
The compounds (I) exhibit γ-aminobutyric acid related activity and are useful as active ingredients in pharmaceutical compositions. They may additionally contain a minor tranquilizer or a neuroleptic.
1,2,3,6-四氢异烟酸及其衍生物、制备它们的方法和起始产品,以及含有它们的药物组合物。化合物
其中 R "是氢、乙酰基或一个基团
其中 R1 是 C1-8 烷基;苯基;取代苯基;苯基烷基,其中苯基可被取代。R'是氢;C1-8 烷基;苯基;取代的苯基、苯基烷基、取代的苯基烷基或偶氮苯基;或 R'是一个基团,其中 R2 和 R3 是氢;C1-6 烷基;或苯基烷基,R4 表示 C1-8 烷基;苯基;取代的苯基或苯基烷基及其盐。制备(1)的中间体有
其中 Z 为氢或保护基,W 为氢或易脱去的基团及其经脱水处理的盐,以及
其中 Z'和 W'的含义与 W 及其盐类相同,它们与适当的试剂反应。
化合物(I)具有与γ-氨基丁酸相关的活性,可用作药物组合物中的活性成分。此外,它们还可能含有轻微的镇静剂或神经安定剂。