EP 0888287 A1 19990107 - A PROCESS FOR THE PURIFICATION OF AN INTERMEDIATE USEFUL IN THE SYNTHESIS OF IODINATED CONTRAST MEDIA
Title (en)
A PROCESS FOR THE PURIFICATION OF AN INTERMEDIATE USEFUL IN THE SYNTHESIS OF IODINATED CONTRAST MEDIA
Title (de)
VERFAHREN ZUR REINIGUNG VON EINEM ZWISCHENPRODUKT ZUR HERSTELLUNG VON IODHALTIGEM KONTRASTMITTEL
Title (fr)
PROCEDE DESTINE A LA PURIFICATION D'UN PRODUIT INTERMEDIAIRE CONVENANT A LA SYNTHESE DE MILIEUX DE CONTRASTE IODES
Publication
Application
Priority
- EP 9707077 W 19971217
- IT MI962737 A 19961224
Abstract (en)
[origin: WO9828261A1] A process for the purification of the compound L-5-(2-acetoxypropionylamino)-2,4,6-triiodoisophthaloyl dichloride by treatment with a water-soluble C3-C5 alcohol solvent and water.
IPC 1-7
IPC 8 full level
C07C 231/24 (2006.01); C07C 237/46 (2006.01)
CPC (source: EP)
C07C 231/24 (2013.01); C07C 237/46 (2013.01)
Citation (search report)
See references of WO 9828261A1
Designated contracting state (EPC)
DE ES FR GB IE IT NL PT
DOCDB simple family (publication)
WO 9828261 A1 19980702; AU 5759098 A 19980717; EP 0888287 A1 19990107; IN 184019 B 20000603; IT 1289521 B1 19981015; IT MI962737 A1 19980624; NO 308698 B1 20001016; NO 983872 D0 19980821; NO 983872 L 19981022; ZA 9711505 B 19980625
DOCDB simple family (application)
EP 9707077 W 19971217; AU 5759098 A 19971217; EP 97953838 A 19971217; IN 2960MA1997 A 19971222; IT MI962737 A 19961224; NO 983872 A 19980821; ZA 9711505 A 19971222