| abstract |
Cpds. of formula (I): (with a satd. ring or an isolated double bond in the 1-, 4- or 6-posn. or two double bonds in the 1- and 4-, 1- and 5- or 4- and 6-posns. of the rign as indicated by the dotted lines, in which n is 0 - 2, Z is bonded at the 1- or 6- posns. of the righ to a C atom and may be -CO, -SOR8 or where R8 is an acyl gp. and R9 are, singly, 1-6C alkyl, or, together 2-6C alkenylyl gps., Y is O or CH2 and R1, R2, R3, R4 and R5 are each H or one is methyl and all the others are H and R6 and R7 are each 1-3C alkyl or one is H and the other alkyl) have organoleptic props. Cpds. (I) may have fruity, green, woody and oily notes reminiscent of galbanum or juniper oil and are very powerful, pref. 0.01-2 wt.% achieving desired effects. |