| abstract |
NEW MATERIAL:Camphoren derivative of formula I (R is ethyl, propyl, isopropyl or n-butyl). n EXAMPLE: 2-Ethyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol. n USE: Perfume. Used as a substitute or diluent of natural sandalwood oil, and has latent fragnace like musk and ambergris and strong fragrance like sandalwood oil. n PROCESS: Camphoren aldehyde of formula II is subjected to condensation reaction with an aliphatic aldehyde of formula R 1 CHO (R 1 is propyl, n-butyl, isobutyl, etc.), to form an α, β-unsaturated aldehyde is selectively reduced using a reducing agent such as aluminum alcoholate, to obtain the compound of formula I. The condensation product or formula III is a new material, and useful as a perfume. n COPYRIGHT: (C)1980,JPO&Japio |