Benzopyrancarboxamide derivatives, salt thereof, process for the preparation of same and use thereof
申请人:SANWA KAGAKU KENKYUSHO CO., LTD.
公开号:EP0691341A1
公开(公告)日:1996-01-10
There are disclosed a benzopyrancarboxamide derivative of the formula
wherein R¹ is hydrogen atom or a lower alkyl group; R² is hydrogen atom, a lower alkyl group, halogen atom, an amino radical or an acylamino group; R³ is hydrogen atom, a lower alkyl group, a lower alkoxy group or halogen atom; dotted line is a possible double bond; and n is an integer of 1 - 5,
and a pharmacologically acceptable salt of the compound, a process for the preparation of the compound and salt as well as use thereof.
The derivative and salt can be easily synthesized, show powerful agonisting action to 5-HT₄ receptor and has very low side effect to central nerve system.
公开了一种式如下的苯并吡喃甲酰胺衍生物
其中,R¹为氢原子或低级烷基;R²为氢原子、低级烷基、卤素原子、氨基或酰氨基;R³为氢原子、低级烷基、低级烷氧基或卤素原子;虚线为可能的双键;n为1-5的整数、
及其药理学上可接受的盐、化合物和盐的制备工艺及其用途。
该衍生物和盐易于合成,对 5-HT₄ 受体有很强的激动作用,对中枢神经系统的副作用很小。