Patent number: 4126641
Abstract: Processes and compositions are described for the use in tobacco, perfume and perfumed article aroma augmenting, enhancing and imparting compositions and as tobacco, perfume and perfumed article aroma augmenting, enhancing or imparting materials of 2-butyl-3,5,5-trimethyl-2-cyclohexen-1,4-dione having the formula: ##STR1## produced by reacting a ketal of 3,5,5-trimethyl-2-cyclohexen-1,4-dione such as 2,7,9,9-tetramethyl-1,4-dioxaspiro[4,5]dec-6-en-8-one with n-butyltriphenylphosphorane and then deketalizing the resulting product to form the 2-butyl-3,5,5-trimethyl-2-cyclohexen-1,4-dione. Addition of 2-butyl-3,5,5-trimethyl-2-cyclohexen-1,4-dione to consumable materials is indicated to produce:(A) In perfumes, colognes and perfumed articles, deep, slightly woody, herbaceous aromas; and(B) In tobaccos and tobacco flavors, pungent, sweet, hay-, tea-, tobacco-like, floral and fruity notes, both prior to and on smoking in both the main stream and the side stream.
Type:
Grant
Filed:
March 3, 1977
Date of Patent:
November 21, 1978
Assignee:
International Flavors & Fragrances Inc.
Inventors:
Kenneth K. Light, Bette M. Spencer, Joaquin F. Vinals, Jacob Kiwala, Edward J. Shuster