Synthesis and Characterization of Metabolites and Potential Impurities of Balsalazide Disodium, an Anti-Inflammatory Drug
摘要:
Balsalazide disodium (Colazide (R)) is an oral prodrug of mesalamine (5-aminosalicylic acid) and possesses anti-inflammatory properties. During the process development for balsalazide disodium, we observed eight impurities, namely des--alanine balsalazide, balsalazide -alanine, balsalazide 3-isomer, decarboxy balsalazide, bis-azo salicylic acid, biphenyl-azo salicylic acid, bis-azo diacid, and bis-azo triacid. The present work describes the synthesis and characterization of these impurities.
FORMULATIONS AND USES OF 2-HYDROXY-5-PHENYLAZOBENZOIC ACID DERIVATIVES FOR THE TREATMENT OF MALES
申请人:Salix Pharmaceuticals, Ltd.
公开号:EP2563117A1
公开(公告)日:2013-03-06
US8497256B2
申请人:——
公开号:US8497256B2
公开(公告)日:2013-07-30
[EN] FORMULATIONS AND USES OF 2-HYDROXY-5-PHENYLAZOBENZOIC ACID DERIVATIVES FOR THE TREATMENT OF MALES<br/>[FR] FORMULATIONS ET UTILISATIONS DE DÉRIVÉS D'ACIDE 2-HYDROXY-5-PHÉNYLAZOBENZOÏQUE POUR LE TRAITEMENT DE SUJETS MÂLES
申请人:SALIX PHARMACEUTICALS LTD
公开号:WO2011137103A1
公开(公告)日:2011-11-03
The instant application provides methods and compositions for the treatment of male subjects having ulcerative colitis.