Global Patent Index - EP 0225849 B1

EP 0225849 B1 19900418 - PROCESS FOR DEHALOGENATING HALOGENATED ALIPHATIC AND AROMATIC COMPOUNDS

Title (en)

PROCESS FOR DEHALOGENATING HALOGENATED ALIPHATIC AND AROMATIC COMPOUNDS

Publication

EP 0225849 B1 19900418 (DE)

Application

EP 86810553 A 19861201

Priority

CH 522585 A 19851206

Abstract (en)

[origin: EP0225849A1] 1. A process for dehalogenating halogenated aliphatic or aromatic compounds by treatment with metallic sodium in an inert solvent and in the presence of a proton donor, which process comprises reacting the halogenated compounds with 2 to 4 equivalents of sodium per equivalent of bound halogen in the inert solvent in the presence of 0.5 to 2 moles of a branched or unbranched C1 -C5 alcohol or water per equivalent of bound halogen at a temperature from 100 to 150 degrees C.

IPC 1-7

A62D 3/00; C07B 61/00

IPC 8 full level

C07B 35/06 (2006.01); A62D 3/34 (2007.01); C07B 31/00 (2006.01); C07C 1/00 (2006.01); C07C 1/26 (2006.01); C07C 67/00 (2006.01); A62D 101/22 (2007.01); A62D 101/28 (2007.01)

CPC (source: EP)

A62D 3/34 (2013.01); A62D 2101/22 (2013.01); A62D 2101/28 (2013.01)

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0225849 A1 19870616; EP 0225849 B1 19900418; CH 668709 A5 19890131; DE 3670449 D1 19900523; JP S62152479 A 19870707

DOCDB simple family (application)

EP 86810553 A 19861201; CH 522585 A 19851206; DE 3670449 T 19861201; JP 28910186 A 19861205