Process for the production of 4-acylamido-4, 4-dicarbalkoxy-butanalphenylhydrazone

There is provided a process for the production of 4-acylamido-4,4-dicarbalkoxy-butanalphenylhydrazones comrising adding an acylamidomalonic acid ester to acrolein in the presence of a catalyst and then reacting the 4-acylamido-4,4-dicarbalkoxy-butanal with phenylhydrazine. The catalyst is an alkali...

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Bibliographic Details
Main Authors WEIGEL; HORST, OFFERMANNS; HERBERT
Format Patent
LanguageEnglish
Published 11.04.1978
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:There is provided a process for the production of 4-acylamido-4,4-dicarbalkoxy-butanalphenylhydrazones comrising adding an acylamidomalonic acid ester to acrolein in the presence of a catalyst and then reacting the 4-acylamido-4,4-dicarbalkoxy-butanal with phenylhydrazine. The catalyst is an alkali metal salt of a carboxylic acid.
Bibliography:Application Number: US19770819406