Patent ID: 6919451
Filing Date: 2005-07-19
Classification: C07D

Abstract:
1. A process for preparing a compound of formula IV: the process comprising: (b) contacting a compound of formula III with an acid to form a compound of formula IV; wherein: ring D is selected from 4-chlorophenyl, 4-methoxyphenyl, 2-cyanophenyl, 2-(aminomethyl)phenyl, 2-(PgNHCH Pg is an amine protecting group; R alternatively, NR R A is selected from phenyl substituted with 0-1 R B is selected from B alternatively, A-B is hydrogen; B X is selected from C Y is selected from: R R R alternatively, when R R R R alternatively, R R R R R R R R p, at each occurrence, is selected from 0, 1, and 2; r, at each occurrence, is selected from 0, 1, 2, and 3; and t, at each occurrence, is selected from 0, 1, 2, and 3.