| abstract |
Substituted 4-methyl-4,7-dihydro-1,3-dioxepine of the general formula I <IMAGE> in which R¹ is an alkyl radical having 1 to 12 carbon atoms, which may also contain oxygen in the form of an ether group or one optionally Alkyl groups and / or an alkylene group substituted 5 to 8-membered ring with up to 10 carbon atoms, which may also contain oxygen in the form of an ether group, and R², R³ and R <4> represent hydrogen or methyl, except for the Compound 2-tert-butyl-4,7-dihydro-4,7-dimethyl-1,3-dioxepine and the preparation and use of substituted 4-methyl-4,7-dihydro-1,3-dioxepines as olfactory and flavorings and fragrance compositions containing them. |