PROCESS FOR THE PREPARATION OF BENZALDEHYDES

Benzaldehydes of the formula (I) can be obtained by reaction of substituted beta -amino-styrenes of the formula (II) in which R1, R2, R3, R4, R5, R8, R9, R10, m, n and o have the scope of meaning indicated in the description, with oxygen in the presence of a Cu compound in the solution of an aprotic...

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Bibliographic Details
Main Authors BLANK; HEINZ U, KRAUS; HELMUT
Format Patent
LanguageEnglish
Published 21.01.1992
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:Benzaldehydes of the formula (I) can be obtained by reaction of substituted beta -amino-styrenes of the formula (II) in which R1, R2, R3, R4, R5, R8, R9, R10, m, n and o have the scope of meaning indicated in the description, with oxygen in the presence of a Cu compound in the solution of an aprotic polar solvent at 0 DEG -120 DEG C.
Bibliography:Application Number: US19900603110