Substituted 4-methyl-4,7-dihydro-1,3-dioxepins, their preparatio

Perfume compositions – Perfume compositions – Oxygen containing active ingredient

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512 22, A61K 746

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047849851

ABSTRACT:
Substituted 4-methyl-4,7-dihydro-1,3-dioxepins of the general formula I ##STR1## where R.sup.1 is an alkyl of 1 to 12 carbon atoms which may furthermore contain oxygen in the form of an ether group, or a 5-membered to 8-membered ring which is unsubstituted or substituted by alkyl groups and/or an alkylene group, has up to 10 carbon atoms and may furthermore contain oxygen in the form of an ether group, and R.sup.2, R.sup.3 and R.sup.4 are each hydrogen or methyl, with the exception of the compound 2-tert-butyl-4,7-dihydro-4,7-dimethyl-1,3-dioxepin, the preparation of substituted 4-methyl-4,7-dihydro-1,3-dioxepins and their use as scents and aromas, and scent compositions containing these compounds.

REFERENCES:
patent: 3117134 (1964-01-01), Sterling et al.
patent: 3822290 (1974-07-01), Tavares et al.
patent: 3822291 (1974-07-01), Tavares et al.
patent: 3908023 (1975-09-01), Shreiber et al.
patent: 3985769 (1976-10-01), Vesley et al.
patent: 4031140 (1977-06-01), Schreiber et al.
patent: 4248787 (1981-02-01), Sprecket et al.
Chemical Abstract 69 1999 a (1968).
Chemical Abstracts, vol. 66:55590K (1967).

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