11-methyl-13-tridecanolide, 12-methyl-14-tetradecanolide and...

Perfume compositions – Perfume compositions – Ring containing active ingredient

Reexamination Certificate

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Details

C549S266000

Reexamination Certificate

active

07569535

ABSTRACT:
Among the compounds represented by the general formula (1),(in the formula, n is an integer of 7 to 13)in particular, 11-methyl-13-tridecanolide of which n=8, 12-methyl-14-tetradecanolide of which n=9, and 13-methyl-15-pentadecanolide of which n=10 are novel compounds which have not been reported in prior art and the evaluation of the compounds for fragrance characteristics revealed that the compounds are macrocyclic lactone musks having not only strong fragrance of musk excellent in persistency but also fragrance characteristics like nitro musks. Furthermore, in the present invention, by containing at least one of those novel compounds, perfume compositions or perfume products having distinctive fragrance characteristics are obtained. The invention also provides a novel process for the production of compounds represented by the general formula (1).

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patent: 2002-275173 (2002-09-01), None
Syozo Abe, “Macrocyclic Musks, Part I: Review on Progress from Discovery up to Now,” Koryo (1970), No. 96, pp. 19-27.
Daiyo Terunuma et al., “Optical Resolution of 3-Methyl-N-phenylglutaramic Acid and Synthesis of Optically Active Muscone,” Journal of Organic Chemistry 1987, vol. 52, No. 8, pp. 1630-1632.
S. Arctander, “Perfume and Flavour Chemicals”, 1969.

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