Patent ID: 7084277
Filing Date: 2006-08-01
Classification: C07D

Abstract:
1. A method of making a compound of formula (Ia): wherein R R R R R R X is S(O) Y is S(O) Z is S(O) a is 0, 1, 2, 3 or 4; b, c, e, f and g are each independently 0 or 1; d is 0, 1, 2, or 3; m is 0, 1 or 2; n is 1, 2, 3, or 4; p is 0, 1 or 2; and wherein the method comprises reacting NHR 2 R 3 , N(CH 3 )R 2 H, or N(CH 2 CH 3 )R 2 H with a compound of formula (IIa): and reducing the compound so formed with a reducing agent.