Patent ID: 7750049
Filing Date: 2010-07-06
Classification: A61P,C07C

Abstract:
1. A compound of formula (I) or an optical isomer or diastereoismer thereof, in which R is selected from halogen, alkyl, alkoxy, aryl and heteroaryl; R R R wherein the halogen is a halogen atom selected from fluorine, chlorine, bromine and iodine; the alkyl is a straight or branched (C the alkoxy is a straight or branched (C the aryl is phenyl, optionally substituted with one or more halogen, alkyl, alkoxy groups as defined herein before, cyano or amino groups, which can be the same or different from one another; and the heteroaryl is a 5- or 6-membered heterocycle containing one or more nitrogen, oxygen or sulphur atoms, which can be the same or different from one another.