(1R,6S)-(+)-ethyl
tetrahydrosafranate - clean and sweet floral
odor
Odor
Threshold = 20 ppb
Described in
United States Patent 5,288,702 as having strong
diffusibility and a specific floral and
fruit-like odor with high preference.
Also known as
(+)-Ethyl
(1R,6S)-2,2,6-trimethylcyclohexane-carboxylate
Ref: Takeshi
Yamamoto,
Akemi Shimada, Tatsuya Ohmoto, Hiroyuki Matsuda,
Miharu Ogura and Tsuneyoshi
Kanisawa,
Flavour and Fragrance Journal, Volume 19, Issue
2, Date: March/April 2004, Pages: 121-133; T.
Yamamoto, H. Matsuda, T. Ohmoto, A. Shimada
& T. Sato, Proc. 12th Int. Congress of
Flavours, Fragrances & Essential oils,
Vienna, Austria, Oct. 4-8, 1992, pp.442-455;
Miharu Ogura, Hiroyuki Matsuda, Takeshi
Yamamoto, and Akemi Shimada; Ethyl
(1R,6S)-2,2,6-trimethylcyclohexanecarboxylate,
aroma chemical composition containing the same
and process of producing the same, United States
Patent 5,288,702 (February 22, 1994); Takeshi
Yamamoto, , Hideo Ujihara, Shinya Watanabe,
Makoto Harada, Hiroyuki Matsuda and Toshimitsu
Hagiwara, Synthesis and odor of optically active
trans-2,2,6-trimethylcyclohexyl methyl ketones
and their related compounds, Tetrahedron, Volume
59, Issue 4 , 20 January 2003, Pages 517-524
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(1S,6R)-(-)-ethyl
tetrahydrosafranate - dirty and heavy fatty
floral odor
Odor
Threshold = 100 ppb
Described in
United States Patent 5,288,702 as having about
1/3 of the odor intensity and fails in the
diffusibility and feature of the specific
fruit-like odor of the (1R,6S)-form
Ref: Takeshi
Yamamoto,
Akemi Shimada, Tatsuya Ohmoto, Hiroyuki Matsuda,
Miharu Ogura and Tsuneyoshi
Kanisawa,
Flavour and Fragrance Journal, Volume 19, Issue
2, Date: March/April 2004, Pages: 121-133; T.
Yamamoto, H. Matsuda, T. Ohmoto, A. Shimada
& T. Sato, Proc. 12th Int. Congress of
Flavours, Fragrances & Essential oils,
Vienna, Austria, Oct. 4-8, 1992, pp.442-455;
Miharu Ogura, Hiroyuki Matsuda, Takeshi
Yamamoto, and Akemi Shimada; Ethyl
(1R,6S)-2,2,6-trimethylcyclohexanecarboxylate,
aroma chemical composition containing the same
and process of producing the same, United States
Patent 5,288,702 (February 22, 1994); Takeshi
Yamamoto, , Hideo Ujihara, Shinya Watanabe,
Makoto Harada, Hiroyuki Matsuda and Toshimitsu
Hagiwara, Synthesis and odor of optically active
trans-2,2,6-trimethylcyclohexyl methyl ketones
and their related compounds, Tetrahedron, Volume
59, Issue 4 , 20 January 2003, Pages 517-524
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