Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2006-05-23
2008-03-18
Witherspoon, Sikarl A. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C512S009000, C512S027000
Reexamination Certificate
active
07345204
ABSTRACT:
The present invention relates to substituted cyclopentanone derivatives and their use as fragrance chemicals suitable for incorporation in fine fragrances, cosmetics, toiletries and related applications.
REFERENCES:
Harrington-Frost et al. Novel Intramolecular Cyclisations Involving Ketene Radical Intermediates as an Approach to the Synthesis of Polyquinanes. Synlett, 1999, No. 12, pp. 1917-1918.
Matlin et al. Regiochemical Control in Intramolecular Photochemical Reactions of 1,6-Heptadienes: Carbonyl-Substituted 1-(4-Alkenyl)-1-cyclopentenes. Journal of the American Chemical Society, 1986, vol. 108, pp. 3385-3394.
Levorse, Jr. Anthony T.
Newirth Brett D.
Weiss Richard A.
International Flavors & Fragrances Inc
Leightner Joseph F.
Quirk Elizabeth M.
Tseng XuFan
Witherspoon Sikarl A.
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