Fragrant composition

Details Fragrant composition Fragrant composition

1992-03-20

1993-08-10

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

512 8, 560122, C07C 4567

Patent

active

052351106

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:
patent: 3288833 (1966-11-01), Demole
patent: 3970682 (1976-07-01), Plattier et al.
patent: 3978108 (1976-08-01), Teisseire et al.
Kalish, D&CL, pp. 162-163 (1966).
Plant Physiol. 66, 246-249 (1980).
Agric. Biol. Chem., 49 (3), 769-772, 1985.
Agric. Biol. Chem., 51(4), 1129-1133, 1987.
Koryo Sangyo Shinbun (Perfume Industry News).
Proceedings of Annual Meeting and 29th Symposium of the Japanese Society of Plant Physiologists.
Proceedings of 29th Symposium of Terpenes, Essential Oils, and Aromatics.
Proceedings of 30th Symposium of Terpenes, Essential Oils, and Aromatics.
Proceedings of 32nd Symposium of Terpenes, Essential Oils, and Aromatics.

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