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

The 8-Dehydro-11,12-dihydronootkatones

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Photo by permission of M. Roudintska - Art & Parfum

(+)-8-Dehydro-11,12-dihydronootkatone - On an odor rating scale: fresh, green, sour, dusty-woody, herbal-spicy, slightly animal, erogenic, fruity

Threshold (in water) = 5000-10000 ppb

= (+)-(4R,4aS,6R)-6-isopropyl-4,4a-dimethyl-4,4a,5,6-tetrahydronaphthalen-2(3H)-one

Ref: H.G. Haring, F. Rijkens & H. Boelens, J. Agric. Food Chem., 20, 1018-1021 (1972)

(-)-8-Dehydro-11,12-dihydronootkatone - On an odor rating scale: dusty-woody, fresh, green,sour, herbal-spicy, slightly animal, erogenic

Threshold (in water) = 40000-100000 ppb

= (-)-(4S,4aR,6S)-6-isopropyl-4,4a-dimethyl-4,4a,5,6-tetrahydronaphthalen-2(3H)-one

Ref: H.G. Haring, F. Rijkens & H. Boelens, J. Agric. Food Chem., 20, 1018 (1972)

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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