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

• Main Authors: KALAUS; GYOERGY, GALAMBOS; JANOS, KEVE; TIBOR, ACS; TIBOR, SZABO; LAJOS, SZANTAY; CSABA, VEZEKENYI; FERENC, DANCSI; LAJOS
• Format: Patent
• Language: English
• Published: 31.01.1984
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; METALLURGY; ORGANIC CHEMISTRY

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...