Chirality & Odour Perception
John C. Leffingwell, Ph.D.

The Tetrahydro-heptamethyl-naphthalenecarbonitriles

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Photo by permission of M. Roudintska - Art & Parfum

(+)-(6R,7R) -5,6,7,8-tetrahydro-3,5,5,6,7,8,8-heptamethyl-2-naphthalenecarbonitrile - earthy and musky odor, the bottom note of which is provided with a humus-like and earthy character, weaker & less and woody note than its (-)-(6S,7S)- enantiomer

Ref: Fehr, et. al., United States Patent 5,521,151, May 28, 1996

(-)-(6S,7S)-5,6,7,8-tetrahydro-3,5,5,6,7,8,8-heptamethyl-2-naphthalenecarbonitrile - earthy and musky odor, the bottom note of which is provided with a humus-like and earthy character, possesses a stronger and woodier note than its (+)-(6R,7R) enantiomer

Ref: Fehr, et. al., United States Patent 5,521,151, May 28, 1996

Cyclic Terpenoid Odorants

Bicyclic Terpenoid Odorants

Acyclic Terpenoid Odorants

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants

Steroid Urine Type Odorants

Sandalwood Type Odorants

Musk Odorants

Miscellaneous

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