Processes for the preparation of 3-(4-(2,4-difluorobenzyloxy)-3-bromo-6-methyl-2-oxopyridin-1(2H)-yl)-N,4-dimethylbenzamide

US7906536B2 · kind B2 · utility

Assignee

• PFIZER INC. · US

Inventors

• Daniel Dukesherer · Chesterfield, US
• Michael K. Mao · Chesterfield, US
• Richard Vonder Embse · Chesterfield, US
• Gopi Yalamanchili · Chesterfield, US
• Rajappa Vaidyanathan · Bengaluru, IN
• Brian Patrick Chekal · Niantic, US
• George Helmut Klemm · Webster Groves, US
• Ronald J. VanderRoest · Kalamazoo, US
• Randy Geurink · Caledonia, US

Key dates

• Filing date: Dec 12, 2007
• Grant date: Mar 15, 2011
• Expiry date: Oct 7, 2029

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P43/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

This invention is directed generally to processes for the preparation of compounds of Formula I:wherein R2, R3, R4, R5, X1, X2, X3, X4, X5, X6 are as defined in the specification.