EP 3097075 A2 20161130 - PROCESS FOR PREPARATION OF DIMETHYL-(E)-BUTENEDIOATE

Title (en)

PROCESS FOR PREPARATION OF DIMETHYL-(E)-BUTENEDIOATE

Title (de)

VERFAHREN ZUR HERSTELLUNG VON DIMETHYL-(E)-BUTENEDIOAT

Title (fr)

PROCÉDÉ DE PRÉPARATION DE DIMÉTHYL- (E)-BUTÈNEDIOATE

Publication

EP 3097075 A2 20161130 (EN)

Application

EP 14812977 A 20141018

Priority

IN 308CH2014 A 20140124
IB 2014065440 W 20141018

Abstract (en)

[origin: WO2014203231A2] The present invention relates to a process for preparation of dimethyl-(E)-butenedioate (I). The process for preparation of dimethyl-(E) -but enedioate (I), comprises reaction of Fumaric acid with methanol in the presence of C2-C4 alkanoyl halide as coupling catalyst.

IPC 8 full level

C07C 69/40 (2006.01)

CPC (source: EP)

C07C 67/08 (2013.01); C07C 67/52 (2013.01); C07B 2200/13 (2013.01)

C-Set (source: EP)

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

DOCDB simple family (publication)

WO 2014203231 A2 20141224; WO 2014203231 A3 20150730; EP 3097075 A2 20161130; EP 3097075 A4 20170621; IN 308CH2014 A 20150731

DOCDB simple family (application)

IB 2014065440 W 20141018; EP 14812977 A 20141018; IN 308CH2014 A 20140124