Fragrance compounds

Details Fragrance compounds Fragrance compounds

2007-01-30

2007-01-30

Cole, Monique T. (Department: 1743)

Perfume compositions

Perfume compositions

Ring containing active ingredient

C512S020000, C512S025000, C512S026000, C564S223000

Reexamination Certificate

active

10481452

ABSTRACT:
Novel compounds having the structure (I) where R=methyl, ethyl or propyl, R1=methyl or H, R2=methyl, ethyl or propyl, R3=methyl or H, R4=methyl or ethyl, R5═H or methyl, and where R3and R5are not both H, excluding N-ethyl-2-methyl-N-(3-methylphenyl) propanamide, can have desirable odour properties, typically of a tropical fruit, cassis character and find use in perfumes and perfumed products

REFERENCES:
patent: 3909462 (1975-09-01), Gubler
patent: 4666943 (1987-05-01), Noguchi et al.
patent: 5856295 (1999-01-01), Sell
patent: WO 96/30470 (1996-10-01), None
patent: WO 99/18926 (1999-04-01), None
T. H. Siddall, et al.: “Geminal Proton Nonequivalences and Related Phenomena in Some N-Substituted Amides” Journal of the American Chemical Society., vol. 88, No. 6, Mar. 20, 1996, pp. 1172-1176, XP002183408 ISSN: 0002-7863.

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