Patent ID: 7179923

Claim:
A compound of Formula Ia: wherein R 5 is hydrogen, alkyl, or aryl; L 1 is oxy, —NR 4 —, or —C(R 4 ) 2 —, wherein R 4 is hydrogen, alkyl, or aryl; Z 1 is an alkyl, aryl, or —(CO)R a wherein R a together with R 1 and groups to which they are attached form a four to eight membered heterocyclic or heterobicyclic group having a nitrogen heteroatom and a sulfur heteroatom, wherein said heterocyclic or heterobicyclic group can be fused to an optional aromatic group, optional saturated or unsaturated cyclic group, or optional saturated or unsaturated bicyclic group; R 1 is an alkyl, fluoroalkyl, chloroalkyl, aryl, NR b R c wherein R b and R c are each an alkyl group or taken together with the nitrogen atom to which they are attached form a four to eight membered cyclic group, or R 1 together with R a and the groups to which they are attached form the four to eight membered heterocyclic or heterobicyclic group that can be fused to the optional aromatic group, optional saturated or unsaturated cyclic group, or optional saturated or unsaturated bicyclic group; Y 2 is a single bond or a divalent group selected from an alkylene, heteroalkylene, arylene, carbonyl, carbonyloxy, carbonylimino, oxy, thio, —NR 4 —, or combinations thereof, wherein R 4 is hydrogen, alkyl, or aryl; and said compound is unsubstituted or substituted with a halo, alkyl, alkoxy, or combinations thereof.