3,7,11,11-Tetramethyl-spiro-[5,5]undeca-8-ene-1-one

Details 3,7,11,11-Tetramethyl-spiro-[5,5]undeca-8-ene-1-one 3,7,11,11-Tetramethyl-spiro-[5,5]undeca-8-ene-1-one

1975-12-02

1977-10-04

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

131 17R, 260586C, C07C 4500, C07C 4948, C07C 4954

Patent

active

040524574

ABSTRACT:
A novel spiro compound, 3,7,11,11-tetramethyl-spiro[5,5]-undeca-8-ene-1-one for altering the flavor or aroma of tobacco products. The spiro compound is prepared by reacting pulegone and piperylene in a solvent in the presence of a Lewis acid catalyst.

REFERENCES:
patent: 3681470 (1972-08-01), Kitchens et al.
patent: 3754037 (1973-08-01), Kitchens et al.
patent: 3852358 (1974-12-01), Hall et al.
patent: 3894088 (1975-07-01), Naegeli

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