A PROCESS FOR THE PREPARATION OF 4-CARBOXY- 5,8,11- TRIS(CARBOXYMETHYL)- 1-PHENYL- 2-OXA- 5,8,11- TRIAZATRIDECAN- 13-OIC ACID

摘要

A novel process for the preparation of the chelating agent of formula (I), 4-carboxy- 5,8,11- tris(carboxymethyl)- 1-phenyl-2-oxa-5,8,11-triazatridecan-13-oic acid, commonly named BOPTA.