Abstract:
This invention provides novel compounds, pharmaceutical compositions and methods of treating thrombotic disorders in mammals, the compounds having the formula: Wherein: Ar is phenyl, naphthyl, furanyl, benzofuranyl, indolyl, pyrazolyl, oxazolyl, fluorenyl, phenylcycloalkane where the cycloalkane can be cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl and Ar can be optionally substituted by 1 to 3 groups selected from C-Calkyl, C-Calkoxy, hydroxy, phenyl-(CH)—, phenyl-(CH)O—, C-Ccycloalkyl, —(CH)—C-Ccycloalkyl, halogen, C-Cperflouroalkyl and C-Cperfluoroalkoxy where phenyl can be substituted with from 1 to 3 groups selected from C-Calkyl, C-Calkoxy, phenyl, halogen, trifluoromethyl or trifluoromethoxy; Ris hydrogen, C-Calkyl or phenyl-(CH)— where phenyl can be substituted with C-Calkyl, C-Calkoxy, halo, trifluoromethyl or trifluoromethoxy; Rand Rare H, C-Calkyl, phenyl-(CH)—, halo and C-Cperfluoroalkyl where phenyl can be substituted with C-Calkyl, C-Calkoxy, halo, trifluoromethyl or trifluoromethoxy; Ris —CHRCOH or —CH-tetrazole where Ris H or benzyl; and n=0 or 1; or a pharmaceutically acceptable salt or ester form thereof.