Patent ID: 7531692
Filing Date: 2009-05-12
Classification: A61P,C07C

Abstract:
1. A compound of formula (I): wherein: B is H or the side chain of an alpha-amino acid; R and R R Ar is phenyl substituted with one or more groups R Ar is a heterocycle selected from the group consisting of pyrrole, pyrazole, furan, thiophene, indole, isoindole, benzofuran, benzothiophene, imidazole, oxazole, isoxazole, thiazole, benzoimidazole, benzoxazole, benzothiazole, pyrimidine, pyrazine, quinoline, isoquinoline, quinazoline, quinoxaline, dibenzofuran, dibenzothiophene, thianthrene, carbazole, pyridazine, cinnoline, phthalazine, 1,5-naphthiridine, 1,3-dioxole, and 1,3-benzodioxole, said heterocycle being optionally substituted with one or more groups R or a pharmaceutically acceptable salt or ester thereof.