Process for the preparation of gadolinium complex of (4S)-4-(4-ethoxybenzyl)-3,6,9-tris(carboxylatomethyl)-3,6,9-triazaundecanedioic acid disodium (Gadoxetate disodium)
申请人:Biophore India Pharmaceuticals PVT. Ltd.
公开号:US11149041B2
公开(公告)日:2021-10-19
The present invention discloses a novel process for the preparation of gadolinium complex of (4S)-4-(4-Ethoxybenzyl)-3,6,9-tris(carboxylatomethyl)-3,6,9-triazaundecanedioic acid disodium of formula 1 and novel intermediates thereof.
METHOD FOR PREPARATION OF (S)-N1-(2-AMINOETHYL)-3-(4-ALKOXYPHENYL)PROPANE-1,2-DIAMINE TRIHYDROCHLORIDE
申请人:ST Pharm Co., Ltd.
公开号:EP3535237A1
公开(公告)日:2019-09-11
Novel Process for the Preparation of Gadolinium Complex of (4S)-4-(4-Ethoxybenzyl)-3,6,9-Tris(Carboxylatomethyl)-3,6,9-Triazaundecanedioic Acid Disodium (Gadoxetate Disodium)
申请人:BIOPHORE INDIA PHARMACEUTICALS PVT. LTD.
公开号:US20200123178A1
公开(公告)日:2020-04-23
The present invention discloses a novel process for the preparation of gadolinium complex of (4 S)-4-(4-Ethoxybenzyl)-3,6,9-tris(carboxylatomethyl)-3,6,9-triazaundecanedioic acid disodium of formula 1 and novel intermediates thereof.