The novel compounds: 1 - (4,4 - dimethyl - -cyclopent - 1 - ene - 1 - yl) - pent - 4 - ene - 1 - one and its derivatives, their preparation and their use in perfumery

摘要

P new unsaturated alicyclic compounds, their preparation and their use in perfumery. / p & & p & it is question of compounds of formula: & br / (see appended drawing in bopi) & br / in which each of the symbols r, r, r and r denotes an atom of 1996, or a methylene group and r denotes an alkyl radical, linear or branched, containing from 1 to 3 carbon atoms. / p & & p & application as a perfuming ingredient in lotions and cremes of beauty. / p