Patent ID: 6492323
Filing Date: 2002-12-10
Classification: A61K,A61Q,C07C,C11B,C11D

Abstract:
An &agr;-keto ester of formula in whicha) Râ€²* is a phenyl, cyclohexyl or cyclopentyl group, or a linear or branched alkyl group from C1 to C4, with the exception of a n-butyl group; and b) Râ€³* is the organic part of a primary or secondary alcohol Râ€³*OH from which is derived a fragrant aldehyde or ketone; and provided thatat least one of the groups Râ€²* and Râ€³* is a group derived from a fragrant compound; provided that Râ€²* is not a methyl group, Râ€³* is not a menthyl or a benzyl group, and that (âˆ’)-(1S,1R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-yl (4-methylphenyl)oxoacetate and hexyl (cyclohexyl)oxoacetate are excluded.