Derivatives of trimethylbicyclo-[4.3.0]-nonane, useful as perfum

Details Derivatives of trimethylbicyclo-[4.3.0]-nonane, useful as perfum Derivatives of trimethylbicyclo-[4.3.0]-nonane, useful as perfum

1989-10-12

1991-03-26

Reamer, James H.

Perfume compositions

Perfume compositions

Ring containing active ingredient

568374, 25217411, A61K 746

Patent

active

050029290

ABSTRACT:
Certain trimethylbicylo-[4.3.0]-nonane derivatives, particularly those having a single acetyl substituent on the six membered ring, are novel compounds useful as perfumes to give highly persistent iris butter, methyl ionone, tobacco, and wood odor notes.

REFERENCES:
patent: 2933506 (1960-04-01), Ohloff
patent: 3681464 (1972-08-01), Theimer
patent: 3847993 (1974-11-01), Hall et al.
patent: 4206089 (1980-06-01), Willis et al.
patent: 4302363 (1981-11-01), Bruns et al.
patent: 4555359 (1985-11-01), Bruns et al.
patent: 4617146 (1986-10-01), Helmlinger et al.
Houben-Weyl, Methoden der Organischen Chemie, 4th Edition, vol. 4/1c, pp. 145-149 (Thieme Verlag, S. 1980).
Houben-Weyl, pp. 18-28, F. Zymalkowski: Katalytische Hydrierung.

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