This invention provides a piperidine compound of the formula.
wherein
R1 is hydrogen or trihalomethyl,
R2 is hydrogen or protected carboxy,
R3 is heterocyclic group or aryl which may have halogen, and
hydroxy, O and pharmaceutically acceptable salt thereof.
This compound possesses hypotensive activity and are useful as anti-hypertensive agent. The invention further relates to processes for the preparation of this compound and pharmaceutical composition comprising compound of the above formula.
本发明提供了一种式如下的
哌啶化合物。
式中
R1 是氢或三卤甲基、
R2 是氢或受保护的羧基
R3 是杂环基团或芳基,其中可含有卤素、和
羟基、O 及其药学上可接受的盐。
这种化合物具有降压活性,可用作抗高血压剂。本发明还涉及该化合物的制备工艺和含有上式化合物的药物组合物。