[EN] SALT OF PHOSPHORIC ACID WITH 5-[4-[2-(N-METHYL-N-(2-PYRIDYL)AMINO)-ETHOXY] BENZY] THIAZOLIDIN-2,4-DIONE AND A METHOD OF ITS PREPARATION [FR] SEL D'ACIDE PHOSPHORIQUE AVEC DE LA 5-[4-[2-(N-MÉTHYL-N-(2-PYRIDYL)AMINO)-ÉTHOXY] BENZYL] THIAZOLIDIN-2,4-DIONE ET PROCÉDÉ DE PRÉPARATION DE CE SEL
[EN] PHOSPHORIC ACID SALT OF 5-[[4-[2-(METHYL-2-PYRIDINYLAMINO) ETHOXY] PHENYL] METHYL]- 2,4-THIAZOLIDINEDIONE<br/>[FR] SEL D'ACIDE PHOSPHORIQUE DE 5-[[4-[2-(METHYL-2-PYRIDINYLAMINO) ETHOXY]PHENYL]METHYL]-2,4-THIAZOLIDINEDIONE
申请人:BIOCON LTD
公开号:WO2005023803A1
公开(公告)日:2005-03-17
Phosphoric acid salt of 5-[[4-[2-(methyl-2-pyridinylamino)ethoxy] phenyl] methyl]- 2,4-thiazolidinedioneis novel and exhibits, blood sugar-lowering activity in mammals and is of value as a prophylactic and/or therapeutic agent for prevention and/or treatment of diabetes.
The present invention relates to 5-[[4-[2-(methyl-2-pyridinylamino)ethoxy]phenyl]methyl]-2,4-thiazolidinedione phosphate, a novel salt of rosiglitazone and to novel polymorphic forms thereof. The invention is also directed to processes for preparation of rosiglitazone phosphate and its polymorphs. The compounds of the invention are useful for treatment and/or prophylaxis of diabetes mellitus, conditions associated with diabetes mellitus and certain complications thereof.