| US 7,482,313 B2 | ||
| Bicyclo(3.3.1)nonanes and bicyclo(3.3.1)nonenes and their use as flavor or fragrance ingredient | ||
| Thierry Granier, Duebendorf (Switzerland); Andreas Hanhart, Uster (Switzerland); and Jerzy A. Bajgrowicz, Zurich (Switzerland) | ||
| Assigned to Givaudan SA, Vernier (Switzerland) | ||
| Appl. No. 10/597,289 PCT Filed Jan. 14, 2005, PCT No. PCT/CH2005/000014 § 371(c)(1), (2), (4) Date Jul. 19, 2006, PCT Pub. No. WO2005/070860, PCT Pub. Date Aug. 04, 2005. |
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| Claims priority of application No. 0401187.0 (GB), filed on Jan. 21, 2004. | ||
| Prior Publication US 2008/0274927 A1, Nov. 06, 2008 | ||
| Int. Cl. C11D 3/50 (2006.01) | ||
| U.S. Cl. 510—104 [512/14; 585/21] | 11 Claims |
1. A compound of formula (I)
 R is isopropyl or iso-propenyl;
R1 is hydrogen, methyl or ethyl;
R2 and R3 are independently hydrogen, methyl, or ethyl; or
R2 and R3 taken together is ethylidene; or
R2 and R3 taken together is a divalent radical (CH2)2 which forms cyclopropane together with the carbon atom to which they are attached;
R4 and R5 are independently hydrogen, hydroxy, C1 to C3 alkoxy, or C2 to C3 acyloxy; or
R4 and R5 together with the carbon atom to which they are attached form a 1,3-dioxolane ring or a 1,3-dioxane ring; or
R4 and R5 together with the carbon atom to which they are attached form a carbonyl group;
the bond between C2 and C3 is a single bond, or the dotted line together with the bond between C2 and C3 represents a double
bond; and
the bond between C7 and C8 is a single bond, or the dotted line together with the bond between C7 and C8 represents a double
bond.
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