Global Patent Index - EP 4114820 A1

EP 4114820 A1 20230111 - A METHOD FOR THE ALKYLATION OF AMINES

Title (en)

A METHOD FOR THE ALKYLATION OF AMINES

Title (de)

VERFAHREN ZUR ALKYLIERUNG VON AMINEN

Title (fr)

PROCÉDÉ D'ALKYLATION D'AMINES

Publication

EP 4114820 A1 20230111 (EN)

Application

EP 20922861 A 20200306

Priority

CN 2020078148 W 20200306

Abstract (en)

[origin: WO2021174522A1] The present invention pertains to a method for the alkylation of amines. In particular, the present invention relates to a method for preparing N, N, N', N", N"-pentamethyldiethylenetriamine by reacting diethylenetriamine with methanol in the presence of hydrogen and a metal catalyst.

IPC 8 full level

C07C 209/14 (2006.01); C07C 209/16 (2006.01); C07C 209/18 (2006.01); C07C 211/09 (2006.01); C07C 211/10 (2006.01); C07C 211/11 (2006.01); C07C 211/12 (2006.01); C07C 211/14 (2006.01); C07C 211/22 (2006.01)

CPC (source: EP)

B01J 23/72 (2013.01); B01J 23/75 (2013.01); B01J 25/00 (2013.01); C07C 209/16 (2013.01); B01J 25/02 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2021174522 A1 20210910; CN 115210214 A 20221018; EP 4114820 A1 20230111; EP 4114820 A4 20240117

DOCDB simple family (application)

CN 2020078148 W 20200306; CN 202080098151 A 20200306; EP 20922861 A 20200306