Global Patent Index - EP 0129795 A2

EP 0129795 A2 19850102 - Process for manufacturing benzaldehyde dialkylacetals.

Title (en)

Process for manufacturing benzaldehyde dialkylacetals.

Title (de)

Verfahren zur Herstellung von Benzaldehyddialkylacetalen.

Title (fr)

Procédé de production de dialkylacétals de benzaldéhyde.

Publication

EP 0129795 A2 19850102 (DE)

Application

EP 84106858 A 19840615

Priority

DE 3322399 A 19830622

Abstract (en)

[origin: US4539081A] Benzaldehyde dialkyl acetals of the formula <IMAGE> I wherein R1 and R2 are each alkyl, are prepared by electrochemical oxidation of an alkyltoluene of the formula <IMAGE> II by a process in which the electrolyte used contains from 60 to 90% by weight of an alkanol of the formula R2OH, from 8.5 to 40% by weight of the alkyltoluene and from 0.01 to 1.5% by weight of an HO3S-containing acid.

Abstract (de)

Verfahren zur Herstellung von Benzaldehyddialkylacetalen der Formel <IMAGE> in der R¹ und R² Alkylreste bedeuten, durch Elektrooxidation von Alkyltoluolen der Formel <IMAGE> bei der man einen Elektrolyten verwendet, der 60 bis 90 Gew.% an einem Alkanol der Formel R²OH, 8,5 bis 40 Gew.% an dem Alkytoluol und 0,01 bis 1,5 Gew.% an einer HO3S-Gruppen enthaltenden Säure enthält.

IPC 1-7

C25B 3/02

IPC 8 full level

C07C 43/307 (2006.01); C25B 3/23 (2021.01)

CPC (source: EP US)

C25B 3/23 (2021.01 - EP US)

Designated contracting state (EPC)

BE CH DE FR GB IT LI NL

DOCDB simple family (publication)

EP 0129795 A2 19850102; EP 0129795 A3 19850925; EP 0129795 B1 19880224; DE 3322399 A1 19850110; DE 3469444 D1 19880331; JP H0641638 B2 19940601; JP S6052586 A 19850325; US 4539081 A 19850903

DOCDB simple family (application)

EP 84106858 A 19840615; DE 3322399 A 19830622; DE 3469444 T 19840615; JP 12543384 A 19840620; US 62321084 A 19840621