Patent ID: 7982042

Claim:
A compound of Formula (I): wherein R 1 is C 1-3 alkanyl; R 2 is C 1-3 alkanyl or hydrogen; R 3 is selected from the group consisting of hydrogen, methyl, allyl, 2-methyl-allyl, propynyl, hydroxyethyl, thioformyl, phenyliminomethyl, phenethyl, and heteroaryl(C 1-8 )alkanyl wherein the heteroaryl is selected from the group consisting of carbazole, imidazole, indazole, indole, indoline, indolizine, isoindole, isoindoline, isoquinoline, isothiazole, isoxazole, naphthyridine, oxadiazole, oxazole, purine, pyran, pyrazine, pyrazole, pyridazine, pyridine, pyrimidine, pyrrole, pyrrolizine, quinazoline, quinoline, quinolizine, quinoxaline, tetrazole, thiadiazole, thiazole, thiophene, triazole, and xanthene and the phenyl in any phenyl-containing substituent is optionally substituted with one hydroxyl group; R 4 is one to two substituents independently selected from the group consisting of hydrogen, C 1-4 alkanyl, C 1-4 alkanyloxy, halogen, phenyl, furanyl, imidazolyl, indazolyl, indolyl, indolinyl, isoindolinyl, isoquinolinyl, isothiazolyl, isoxazolyl, oxazolyl, pyrazinyl, pyrazolyl, pyridazinyl, pyridinyl, pyrimidinyl, pyrrolyl, quinolinyl, tetrazolyl, thiazolyl, thiophenyl, and hydroxy; R 5 is hydrogen; A is CH 2 CH 2 ; Y is S, Z is O; and enantiomers, diastereomers, tautomers, and pharmaceutically acceptable salts thereof.