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

The Dihydrocarvones

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Photo by permission of M. Roudintska - Art & Parfum

(lS,4S)-trans-dihydrocarvone - caraway

= (2S,5S)-5-isopropenyl-2-methylcyclohexanone

Ref: G. F. Russell & J. I. Hills, Odor Differences between Enantiomeric Isomers, Science, Vol. 172, 1043-1044 (1971);

(1R,4R)-trans-dihydrocarvone - Spearmint

= (2R,5R)-5-isopropenyl-2-methylcyclohexanone

Ref: G. F. Russell & J. I. Hills, Odor Differences between Enantiomeric Isomers, Science, Vol. 172, 1043-1044 (1971)

(1R,4S)-cis-dihydrocarvone - Odor - akin to musty and woody), but panelists had no difficulty distinguishing between the enantiomeric pairs.

= (2R,5S)-5-isopropenyl-2-methylcyclohexanone

Ref: G. F. Russell & J. I. Hills, Odor Differences between Enantiomeric Isomers, Science, Vol. 172, 1043-1044 (1971);

(1S,4R)-cis-dihydrocarvone - Odor - akin to musty and woody), but panelists had no difficulty distinguishing between the enantiomeric pairs.

= (2S,5R)-5-isopropenyl-2-methylcyclohexanone

Ref: G. F. Russell & J. I. Hills, Odor Differences between Enantiomeric Isomers, Science, Vol. 172, 1043-1044 (1971)

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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