Patent ID: 7846890
Filing Date: 2010-12-07
Classification: C07D,C11B

Abstract:
1. A compound of formula wherein R 1 or R 2 , taken separately, represents each a C 1-3 alkyl group or a COR 3 group, R 3 representing a methyl or ethyl group, and one of said R 1 or R 2 , but not both, may also represent a hydrogen atom; or said R in the form of any one of its isomers or of a mixture thereof, provided that the 3-acetate of [1aR-(1aα,2β,3β,4aβ,8aS)]-decahydro-2,4a,8,8-tetramethyl-cyclopropa[d]naphthalene-2,3-diol and the 2-acetate of (1aR,2S,3S,4aS,8aS)-decahydro-2,4a,8,8-tetramethyl-cyclopropa[d]naphthalene-2,3-diol are excluded.