Denise D Anderson

US Patent:

51440482, Sep 1, 1992

Filed:

Dec 12, 1990

Appl. No.:

7/626348

Inventors:

Philip A. Christenson - Midland Park NJ
Paul J. Riker - Lodi NJ
Denise A. Anderson - Brooklyn NY
John M. Yurecko - Dayton NJ

Assignee:

L. Givaudan & Cie, S.A. - Geneva

International Classification:

C07D31726

US Classification:

549435

Abstract:

The present invention provides compounds which upon thermolyis, hydrolysis or both, release an odorant molecule. They find utility, for example, in tobacco, in tobacco paper, and as additives to food, beverages or gum. These compounds are dicarboalkoxy dioxolane derivatives having the following formula: ##STR1## wherein R. sup. 1 and R. sup. 2 are, independently, --CO. sub. 2 R. sup. 3 wherein R. sup. 3 is --H. sub. 3 or lower alkyl, provided that in at least one of R. sup. 1 and R. sup. 2, R. sub. 4 is lower alkyl; wherein Z is a direct bond, or --CH. dbd. C(R. sup. 4)--; where R. sup. 4 is an alkyl group; and Y is, when Z is a direct bond, ##STR2## where R. sup. 5 is lower alkyl; and Y, when Z is --CH. dbd. C(R. sup. 4)--, ##STR3## where R. sup. 6 is H, lower alkyl or OR. sup.

US Patent:

53710690, Dec 6, 1994

Filed:

Apr 17, 1992

Appl. No.:

7/870104

Inventors:

Philip A. Christenson - Midland Park NJ
Paul J. Riker - Lodi NJ
Denise A. Anderson - Brooklyn NY
John M. Yurecko - Dayton NJ

Assignee:

Giuaudan-Roure Corporation - Clifton NJ

International Classification:

A51K 746
C07D31726

US Classification:

512 12

Abstract:

The present invention provides organoleptic compositions which upon thermolyis, hydrolysis or both, release an odorant molecule. They find utility, for example, in tobacco, in tobacco paper, and as additives to food, beverages or gum. The compositions contain one or more dicarboalkoxy dioxolane derivatives having the following formula: ##STR1## wherein R. sup. 1 and R. sup. 2 are, independently, --CO. sub. 2 R. sup. 3 wherein R. sup. 3 is --H. sub. 3 or lower alkyl, provided that in at least one of R. sup. 1 and R. sup. 2, R. sup. 3 is lower alkyl; wherein Z is a direct bond, or --CH. dbd. C(R. sup. 4)--; where R. sup. 4 is --H or alkyl group; and Y is ##STR2## where R. sup. 5 and R. sup. 6 are independently --H, lower alkyl or --OR. sup. 7 where R. sup.