MANUFACTURE OF ACYLTRIMETHYLCYCLOHEXENE DERIVATIVE AND USE OF INTERMEDIATE FOR INCREASING OR ENHANCING FRAGRANCE OR TASTE OF CONSUMPTIVE MATERIAL

摘要

Described is a process for preparing beta -damascone starting with 2,6,6-trimethyl cyclohex-2-enone according to the reaction sequence: …… wherein Z is hydrogen MgX min , Li, Na or K; Y is MgX min , Li, Na or K; X min is Cl, Br or I; R is C1-C3 lower alkyl such as methyl, ethyl, n-propyl or i-propyl; K is Cl, Br or I. Also described are the organoleptic uses of the compound having the structure: …… in augmenting or enhancing the taste or aroma of a consumable material, e.g., foodstuff, chewing gum, medicinal product, chewing tobacco, smoking tobacco, perfume, perfumed article (e.g., drier-added fabric softener articles and solid or liquid anionic, cationic or nonionic detergents) and cologne.