Tricyclic ketones and fragrance compositions containing same

Details Tricyclic ketones and fragrance compositions containing same Tricyclic ketones and fragrance compositions containing same

1991-08-20

1992-09-29

Reamer, James H.

Perfume compositions

Perfume compositions

Ring containing active ingredient

568354, 568373, A61K 746

Patent

active

051514117

ABSTRACT:
A compound of the formula ##STR1## wherein the dotted line signifies an optional bond, as racemates or individual enantiomers, odorant compositions containing the same, and a process for the manufacture of the compounds of formula I which comprises rearranging sclareolide, episclareolide or isosclareolide at an elevated temperature in acidic medium with dehydration and, if desired, reducing the carbon-carbon double bond present in the reaction product.

REFERENCES:
patent: 2914565 (1959-11-01), Ohloff
patent: 3029255 (1962-04-01), Stoll
patent: 3050532 (1962-08-01), Schumacher et al.
patent: 3427328 (1969-02-01), Sandermann et al.
patent: 4124642 (1978-11-01), Buchi et al.
A. Saito et al., Chem. Lett., (1983) 729-732.
G. Lucius, Angew. Chem., 68 (1956) 247.

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