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Patent Pick: Pear-twisted Mighty Musk

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Is this a new aroma superhero? Perhaps in "Scent City." At least Firmenich hopes so.

Penta/hexamethyl-3,4,5,8-tetrahydro-1(2H)-naphthalenone derivatives with aromatic notes
U.S. Patent 9284514
Publication date: March 15, 2016
Assignee: Firmenich SA (Geneva, CH)

This invention relates to compounds that impart odor notes of a musky-earthy odor characterized by a pear, woody and aromatic-chamomile-fresh character. According to the inventors, the penta/hexamethyl-3,4,5,8-tetrahydro-1(2H)-naphthalenone derivatives have a surprising musky and fresh combination reminiscent of the well-known musk Tonalide (5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthyl)-1-ethanone; and of the fruity/fresh aspect of Helvetolide ((1S,1′R)-2-[1-(3′,3′-dimethyl-1′-cyclohexyl)ethoxy]-2-methylpropyl propanoate.

Compared with existing materials, the new materials distinguish themselves by having a higher impact/strength, strong woody/ambrette note together with a fresh aromatic character of the chamomile type and being devoid of significant animal connotation.

Patent accessed April 29, 2016.

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