Patent ID: 7368569
Filing Date: 2008-05-06
Classification: C07D

Abstract:
1. A process for preparing a compound of the formula IC, or a salt thereof, T, U, V and W are each independently selected from the group consisting of (1) nitrogen, and (2) methine, wherein the methine group is unsubstituted or optionally substituted with a substituent selected from the group consisting of wherein at least two of T, U, V, and W are methine; comprising the steps of (a) combining a strong base with a compound of formula A (b) reacting a compound of formula B R (c) reacting the solution of step (b) with water to form a solution; and (d) adjusting the pH of the solution of step (c) to between about 0 and 4 with an acid to afford the compound IC, or a salt thereof.