Crystalline modifications of 2-(3,5-bis-trifluoromethyl-phenyl)-N-[6-(1,1-dioxo-1 λ6-thiomorpholin-4-yl)-4-(4-fluoro-2-methyl-phenyl)-pyridin-3-yl]-N-methyl-isobutyramide

US7160881B2 · kind B2 · utility

Assignee

• Hoffmann-La Roche Inc. · US

Inventors

• Torsten Hoffmann · Weil am Rhein, DE
• Fabienne Hoffmann-Emery · Basel, CH
• Sonja Nick · Basel, CH
• Urs Schwitter · Reinach, CH
• Pius Waldmeier · Wegenstetten, CH

Key dates

• Filing date: Jan 27, 2004
• Grant date: Jan 9, 2007
• Expiry date: Mar 1, 2024

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P37/08
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention relates to a new crystalline modification of 2-(3,5-bis-trifluoromethyl-phenyl)-N-[6-(1,1-dioxo-1λ6-thiomorpholin-4-yl)-4-(4-fluoro-2-methyl-phenyl)-pyridin-3-yl]-N-methyl-isobutyramide characterized by the following X-ray diffraction pattern obtained with a CuKα, radiation at 2θ (2Theta)=4.5, 6.4, 7.5, 7.7, 8.0, 8.2, 10.0, 10.2, 10.9, 11.1, 12.9, 13.4, 14.0, 14.5, 15.1, 15.6, 16.2, 16.5, 17.3, 17.5, 18.0, 18.9, 19.3, 19.5, 19.9, 20.1, 20.6, 21.0, 21.4, 22.7, 23.1 and 23.6 and an infrared spectrum having sharp bands at 2925, 2854, 1637, 1604, 1484, 1395, 1375, 1285, 1230, 1172, 1125, 1082, 999, 943, 893, 868, 860, 782, 705, 684 cm−1, and wherein the extrapolated melting point (DSC) is 137.2° C.