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

The 14-Ethyl-11-methylideneoxacyclotetradecan-2-ones

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Photo by permission of M. Roudintska - Art & Parfum

(14S)-14-Ethyl-11-methylideneoxacyclotetradecan-2-one - weak musk odour with a musty-woody tonality

= (13S)-13-ethyl-10-methylidenetridecanolide

Ref: Bollbuck, Birgit, and Werner Tochtermann. "Stereoselective synthesis and structural variations of ethyl analogues of galbanum macrolides." Tetrahedron 55, no. 23 (1999): 7209-7220.

(14R)-14-Ethyl-11-methylideneoxacyclotetradecan-2-one - strong musk note, fresh and clearly woody with cedarwood-like aspects

= (13R)-13-ethyl-10-methylidenetridecanolide

Ref: Bollbuck, Birgit, and Werner Tochtermann. "Stereoselective synthesis and structural variations of ethyl analogues of galbanum macrolides." Tetrahedron 55, no. 23 (1999): 7209-7220.

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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