3 - Chloro - 5 - (4 - metansulfonilfenilo) - 6 - methyl - 2,3 bipiridinilo in Pure Crystalline form and Process for Synthesis

摘要

Refers to a Polymorph of Chloro - 5 - 3 - (4 - metansulfonilfenilo) - 6 - methyl - [2,3] bipiridinilo 'formula (V), (etoricoxib), characterised by its x-ray diffraction pattern.CU K Alpha approximately 13.7 Au00b0, initial Melting Point of 133.9u00b0c by Differential Scanning Calorimetry (CED) and Melting Point end of 134.5u00b0c by CED.Compound i Inhibits Cyclooxygenase 2 and may be useful for the treatment of inflammatory disease sensitive to treatment with an anti-inflammatory steroid such as Rheumatic Fever,Symptoms of the flu, common cold, back pain, neck pain, dysmenorrhea, headache, Tooth Pain, Sprains, strains, bursitis, arthritis, myositis, Burns