Global Patent Index - EP 0012942 A3

EP 0012942 A3 19800723 - PROCESS FOR PRODUCING BENZALDEHYDES

Title (en)

PROCESS FOR PRODUCING BENZALDEHYDES

Publication

EP 0012942 A3 19800723

Application

EP 79105128 A 19791213

Priority

DE 2855508 A 19781222

Abstract (en)

[origin: US4235683A] A process for the preparation of benzaldehydes of the general <IMAGE> I where R1 is hydrogen or alkyl, wherein a compound of the formula <IMAGE> II where X is hydrogen, hydroxyl or R2-COO-, and R2 is hydrogen or alkyl of 1 to 6 carbon atoms, is oxidized electrochemically in the presence of water, of an alkanoic acid of the formula R3COOH III where R3 is hydrogen or alkyl of 1 to 6 carbon atoms, and of a conductive salt.

IPC 1-7

C25B 3/02

IPC 8 full level

C25B 3/23 (2021.01)

CPC (source: EP US)

C25B 3/23 (2021.01 - EP US)

Citation (search report)

  • [XP] US 4148696 A 19790410 - HALTER MARK A
  • [A] CHEMICAL ABSTRACTS, Band 19 (1925), Seite 783, C.A. MANN et al.: "Electrochemical oxidation of toluene to benzaldehyde", & Trans.Am.Electrochem.Soc. 47 (preprint), 1925.

Designated contracting state (EPC)

CH DE FR GB IT SE

DOCDB simple family (publication)

EP 0012942 A2 19800709; EP 0012942 A3 19800723; EP 0012942 B1 19820127; DE 2855508 A1 19800710; DE 2962005 D1 19820311; DK 149618 B 19860811; DK 149618 C 19870202; DK 543079 A 19800623; JP S5589487 A 19800707; JP S6350434 B2 19881007; US 4235683 A 19801125

DOCDB simple family (application)

EP 79105128 A 19791213; DE 2855508 A 19781222; DE 2962005 T 19791213; DK 543079 A 19791219; JP 16580779 A 19791221; US 10065479 A 19791205