INDOLE DERIVATIVES AND THEIR USE AS SEROTONIN ANTAGONISTS
申请人:NIPPON SHINYAKU COMPANY, LIMITED
公开号:EP0546181A1
公开(公告)日:1993-06-16
The object of the invention is to provide a novel compound having serotonin antagonist activity.
The invention is directed to an indolecarboxamide derivative of the following general formula [I] and a serotonin antagonist composition comprising the same derivative as an active ingredient.
(wherein R1 is a lower alkyl and R2 is hydrogen, a halogen, a lower alkyl or a lower alkoxy.)
The compound of the invention is effective as a gastrointestinal motor activity regulator, antimigraine, antipsychotic or antianxiety drug. The compound is also effective as a therapeutic drug for dementia or orthostatic hypotension.
one-pot sequence of N-alkylation, saponification and methoxyamidation, and final intramolecular oxidative C–N bond formation. The underpinning of the strategy entails Pd(OAc)2/Cu(OAc)2-mediated oxidative C(sp2)–C(sp2) bond formation and I(III)-mediated oxidative C(sp2)–N bond formation.