1 alpha -Ethyl-1 beta -(2'-alkoxy carbonyl-2'-hydroxyiminoethyl)-10-methoxy 1,2,3,4,6,7,12,12 beta -octahydroindolo(2,3A)quinolizines

The invention relates to a new process for the preparation of alkoxyvincaminic acid esters of the formula (I) (I) and/or alkoxyapovincaminic acid esters of the formula (II) (II) wherein R1, R2 and R3 independently stand for alkyl groups having from one to 6 carbon atoms. The compounds of the formula...

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Bibliographic Details
Main Authors KALAUS; GYOERGY, GALAMBOS; JANOS, KEVE; TIBOR, ACS; TIBOR, SZABO; LAJOS, SZANTAY; CSABA, VEZEKENYI; FERENC, DANCSI; LAJOS
Format Patent
LanguageEnglish
Published 31.01.1984
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The invention relates to a new process for the preparation of alkoxyvincaminic acid esters of the formula (I) (I) and/or alkoxyapovincaminic acid esters of the formula (II) (II) wherein R1, R2 and R3 independently stand for alkyl groups having from one to 6 carbon atoms. The compounds of the formulae (I) and (II) are pharmaceutically active, thus some of them show psychostimulant activity.
Bibliography:Application Number: US19820410052