Fragrant composition

Details Fragrant composition Fragrant composition

1993-01-21

1994-12-13

Reamer, James H.

Perfume compositions

Perfume compositions

Ring containing active ingredient

A61K 746

Patent

active

053729943

ABSTRACT:
The invention discloses a process for preparing a 2,3-di-substituted cyclopentanone mixture containing an enriched cis-2,3-di-substituted cyclopentanone which comprises heating a trans-2,3-di-substituted cyclopentanone in the presence of 100 ppm or less (weight basis) of a metal carbonate based on the cyclopentanone. The invention also discloses a fragrant composition comprising 20 to 50 wt % of 2,3-di-substituted cis-methyl (dihydro)jasmonates and 80 to 50 wt % of 2,3-di-substituted (dihydro) trans-methyl (dihydro)jasmonates. The fragrant composition has jasmine flower-like fragrance.

REFERENCES:
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patent: 3970682 (1976-07-01), Plattier et al.
patent: 3978108 (1976-08-01), Teisseire et al.
patent: 4016109 (1977-04-01), Cohen
patent: 4260512 (1981-04-01), Mookherjee
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Proceedings of 30th Symposium of Terpenes, Essential Oils, and Aromatics (1988).
Proceedings of 32th Symposium of Terpenes, Essential Oils, and Aromatics (1990).
Kalish, D+Cl., pp. 162-163 (1966).
Koryo Sangyo Shinbun (Perfume Industry News) (1985).
Proceedings of Annual Meeting and 29th Symposium of the Japanese Society of Plant Physiologists (1985).
Proceedings of 29th Symposium of Terpenes, Essential Oils, and Aromatics 1987.
Plant Physiol. 66, 246-249 (1980).
Agric. Biol. Chem., 49 (3), 769-772, 1985.
Agric. Biol. Chem., 51 (4), 1129-1133, 1987.

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