| 摘要 |
PCT No. PCT/CH82/00029 Sec. 371 Date Nov. 9, 1982 Sec. 102(e) Date Nov. 9, 1982 PCT Filed Feb. 25, 1982 PCT Pub. No. WO82/03216 PCT Pub. Date Sep. 30, 1982.New odoriferous compounds, particularly the compounds having the following formula: <IMAGE> (I) wherein R is an aliphatic residue having the formula <IMAGE> wherein R1 is a C1-4 alkyl, C1-4 alkylidene or C2-4 alkenyl, the sum of the carbon atoms being in those residues from 2 to 5, m and n being equal to zero or 1, p being 1, 2 or 3 and the dotted lines representing one or two optional double bonds. The invention also relates to a method for the preparation of new di-ketones I: as well as the use of I as odoriferous compounds in odoriferous compositions, which are characterized by a certain proportion of compounds having the formula I. |
