Patent ID: 6930117

Claim:
A compound of formula (I) wherein: a) each R 1 is independently chosen from hydrogen, halo, cyano, hydroxy, carboxy, keto, thioketo, amino, acylamino, acyl, amido, phenyl, aryloxy, alkyl, alkenyl, alkynyl, heteroalkyl, halo, haloalkyl, alkoxy, aryl, heteroaryl, and cycloalkyl; b) each R 2 is independently chosen from hydrogen, halo, cyano, hydroxy, carboxy, keto, thioketo, amino, acylamino, acyl, amido, phenyl, aryloxy, alkyl, alkenyl, alkynyl, heteroalkyl, halo, haloalkyl, alkoxy, aryl, heteroaryl, and cycloalkyl; c) R 3 and R 4 are each independently chosen from hydrogen, alkyl, alkenyl, alkynyl, heteroalkyl, aryl, heteroaryl, cycloalkyl, alkylheteroalkyl, alkylaryl, alkylheteroaryl, and alkylcycloalkyl; or R 3 and R 4 , together with the Nitrogen atom to which they are bonded, join to form heteroaryl, or heterocycloalkyl moieties, optionally substituted with one more hydrogen, halo, cyano, hydroxy, carboxy, keto, thioketo, amino, acylamino, acyl, amido, phenyl, aryloxy, alkyl, alkenyl, alkynyl, heteroalkyl, halo, haloalkyl, alkoxy, aryl, heteroaryl, cycloalkyl, spirocyloalkyl and combinations thereof; d) R 5 and R 6 are each independently chosen from of hydrogen, halo, cyano, hydroxy, carboxy, keto, thioketo, amino, acylamino, acyl, amido, phenyl, aryloxy, alkyl, alkenyl, alkynyl, heteroalkyl, halo, haloalkyl, alkoxy, aryl, heteroaryl, and cycloalkyl; e) or optical isomers, diastereomers and enantiomers of the formula above, and pharmaceutically-acceptable salts, biohydrolyzable amides, esters, and imides thereof.