PITTET, ALAN O.,KLAIBER, ERICH M.,VOCK, MANFRED H.,SHUSTER, EDWARD J.,VINALS, JOAQUIN
申请号:
CA19760247541
公开号:
CA1053688(A1)
申请日:
1976.03.10
申请国别(地区):
加拿大
年份:
1979
代理人:
摘要:
: Processes and compositions are described for the use in foodstuff, chewing gum, toothpaste and medicinal product flavor and aroma, tobacco flavor and aroma and perfume aroma augmenting, modifying, enhancing and imparting compositions and as foodstuff, chewing gum, toothpaste, medicinal product, tobacco, perfume and perfumed article aroma imparting materials of one or more alkyl side chain methyl substituted or unsubstituted 2,2,6-trimethyl-1-cyclohexen-1-vinyl alkanoates(hereinafter referred to as "enol esters") having the generic structure: (which structure is intended to cover both the "cis" and the "trans" isomers thereof) wherein R1 is C1-C11 alkyl and R4 is hydrogen or methyl, produced by one of the following processes: (1) A process which comprises the step of oxidizing beta-ionone or a beta-ionone homologue having the formula: with a peracid having the formula: wherein R1 is C1-C11 alkyl; R4 is hydrogen or methyl; and R2 is hydrogen, methyl, ethyl or metachlorophenyl and in the presence of a buffer