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

The Dihydrokaranones

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Photo by permission of M. Roudintska - Art & Parfum

(+)-(4aR,5S)-Dihydrokaranone - a remarkable and intense woody note

 Ref: Ishihara Mazakuza & Kitauro Taro, Method for preparing optically active dihydrokaranone, Japanese Patent No. 2004189643 (July 8, 2004)

Caution: The aroma description was generated by computer translation at the Japanese Patent Office website and in actuality may differ somewhat from that given here.

(-)-(4aS,5R)-Dihydrokaranone - has a citrus and mild woody note; it lacks in sharpness and brightness, and is deficient in the charm as compared to its enantiomer, but is pleasant in another aroma direction

 Ref: Ishihara Mazakuza & Kitauro Taro, Method for preparing optically active dihydrokaranone, Japanese Patent No. 2004189643 (July 8, 2004)

Caution: The aroma description was generated by computer translation at the Japanese Patent Office website and in actuality may differ somewhat from that given here.

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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