PRODUCTION OF LOWER ALKYL 2-CYANO-3-METHYL-2-BUTENOATE

PURPOSE: To provide an industrially advantageous method for producing the subject compound by which the subject compound useful as an intermediate for producing a plant disease injury controlling agent can be produced in good yield. CONSTITUTION: Acetone is reacted with a lower alkyl cyanoacetate in...

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Bibliographic Details
Main Authors ENOMOTO MASAYUKI, YAMADA YOSHIMI, MAGARA OSAMU
Format Patent
LanguageEnglish
Published 04.06.1996
Edition6
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:PURPOSE: To provide an industrially advantageous method for producing the subject compound by which the subject compound useful as an intermediate for producing a plant disease injury controlling agent can be produced in good yield. CONSTITUTION: Acetone is reacted with a lower alkyl cyanoacetate in the presence of a catalyst in n-hexane as a main solvent (with >=50wt.% content) to produce a lower alkyl 2-cyano-3-methyl-2-butenoate. Aniline which may be substituted, e.g. aminophenol, toluidine or a carboxylic acid (e.g. a lower fatty acid or benzoic acid) is used as the catalyst. The amount thereof used is within the range of 0.001-0.1mol in the case of the aniline and 0.01-0.2mol in the case of the carboxylic acid based on 1mol lower alkyl cyanoacetate.
Bibliography:Application Number: JP19940279534