Patent ID: 6777576
Filing Date: 2004-08-17
Classification: C07C

Abstract:
A compound of the formula [II]wherein Râ€² is (a) linear or branched chain alkyl having 1 to 15 carbon atom(s), which is optionally substituted by at least one substituent selected from the group consisting of phenyl, naphthyl, cyclohexyl, cyclopentyl, norbornyl, methoxycarbonyl, ethoxycarbonyl and (&agr;-(2-cyclohexen-1-yl)-&agr;-hydroxy-benzyl)carbonyloxy, or (b) cyclohexyl, cyclopentyl or norbornyl, each of which is optionally substituted by at least one substituent selected from the group consisting of linear or branched chain alkyl having 1 to 15 carbon atom(s) and phenyl, or an optically active form thereof