Organoleptic compounds

Details Organoleptic compounds Organoleptic compounds

2010-10-20

2011-12-20

Hardee, John (Department: 1761)

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

Organic compounds

Oxygen containing

Reexamination Certificate

active

08080691

ABSTRACT:
The present invention is directed to novel fragrance compounds and their unexpected advantageous use in enhancing, improving or modifying a fragrance formulation through the addition of an olfactory acceptable amount of the compounds, wherein the compounds are represented by the following formula:wherein the dotted line represents a single or double bond;R is selected from the group consisting of propyl, butyl, and pentyl; andR1and R2together represent ═O or a ring structure represented by

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Hiromitsu Nakajima et al. “Sorokinianin: A novel phytotoxin produced by the phytopathogenic fungusBipolaris sorokiniana” Tetr. Lett. (1994) 35(51), pp. 9597-9600.
Winfred G. Beyersbergen van Henegouwen et al. “Studies toward the Total Synthesis of the Oxindole Alkaloid Gelsedine: An Efficient Allene-Terminated N-Acyliminium Ion Cyclization” J. Org. Chem. (1997) 62(25), pp. 8862-8867.
Xing Dai et al. “Formal Enantioselective [4 + 3] Cycloaddition by a Tandem Diels-Alder Reaction/Ring Expansion” Adv. Synth. Catal. (2006) 348(16-17), pp. 2449-2456.

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