Patent ID: 7446110
Filing Date: 2008-11-04
Classification: A61P,C07D,C07J

Abstract:
1. A compound of structural formula I: a pharmaceutically acceptable salt or a stereoisomer thereof, wherein: a and b are each independently chosen from a double bond and a single bond; X is hydrogen or halogen; when a is a single bond, Y and Z are each independently chosen from hydrogen, C when a is a double bond, Y is chosen from hydrogen, C n is 0, 1, 2, or 3; U, V, W, and D are each independently chosen from CH, N, and S, provided that at least one of U, V, W, and D is chosen from N, and S, and further provided that when one of U, V, W, and D is S, then the other ring members are independently chosen from N and CH; R R wherein R wherein R