Tricyclo{6.2.1.0.sup.1,6 }undecanes useful as fragrance chemical

Details Tricyclo{6.2.1.0.sup.1,6 }undecanes useful as fragrance chemical Tricyclo{6.2.1.0.sup.1,6 }undecanes useful as fragrance chemical

1988-12-05

1991-05-14

Shippen, Michael L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

512 15, 549339, 558429, 560117, 568343, 568373, 568446, 568665, 568817, C07C 6702

Patent

active

050157612

ABSTRACT:
Novel tricycloundecanones are disclosed having the general formula ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 are hydrogen or 1 to 3 carbon alkyl groups having a total carbon number of six or less. These compounds are useful perfumery ingredients characterized by odors of the woody type.
Useful derivatives of the compounds are also disclosed as well as a novel procedure for preparation thereof.

REFERENCES:
patent: 2933506 (1956-05-01), Ohloff
patent: 4373108 (1983-02-01), Light
Letter dated Oct. 14, 1988 in Interference 101,264 by Ian A. Calvert acting on the authority of the Commissioner.
Letter dated Oct. 14, 1988 in Interference 101,353 by Ian A. Calvert acting on the authority of the Commissioner.
Agreement dated Jul. 20, 1988 between PFW and IFF.

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