| abstract |
There are disclosed new compounds of formula (I), wherein R is: a hydrogen atom; a linear or branched C1-C4 alkyl group, unsubstituted or substituted by at least a phenyl group or at least a hydrogen atom; a benzyl group substituted by at least a linear or branched C1-C4 alkyl or alkoxy group or a nitro group; a silyl substituted by at least a linear or branched, unsubstituted or substituted C1-C4 alkyl group; n is 0 or 1; and Y is a radical of formula (II), wherein A is H, OH, Cl, CH2, CH2X, where X is F, Cl, Br, I, OH or OR' and R' is COCH3 or a linear or branched, unsubstituted or substituted C1-C4 alkyl group and ... represents a single or a double bond, with the proviso that when n=0 and R is H, R' is not a methyl group; and processes for obtaining them. |