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US 7,160,852 B2Granted
Polyalklbicylic derivatives
AssigneeInternational Flavors & Fragrances Inc.
InventorsAnthony T. Levorse, Jr., Anubhav P. S. Narula, Edward Mark Arruda, Charles E. J. Beck
Life of this patent
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Abstract
The compound according to the formula set forth below and the use of the compound in creating fragrances, and scents in items such as perfumes, colognes and personal care products is disclosed.
Claims4
A fragrance formulation comprising from about 0.005 to about 70 weight percent of the compound
A method for the preparation of 4,10,10,11,12,12-hexamethyl-3-oxatricyclo[7.3.0.0<2,6>]dodecane comprising
- 1. providing:
- a. 7,7,8,9,9-pentamethvl-3-prop-2-enylbicyclo[4.3.0]nonan-2-ol;
- b. toluene
- c. methanesulfonic acid,
- 2. mixing a, b and c to form a mixture and
- 3. heating said mixture
- to form 4,10,10,11,12,12-hexamethyl-3-oxatricyclo[7.3.0.0<2,6>]dodecane.
4 more elements
Dependencies are inferred from the claim text.