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

The 4-Propylidene-Isopinocamphones

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Photo by permission of M. Roudintska - Art & Parfum

(1S,2S,4E,5S)-(-)-4-propylidene-isopinocamphone - Woody, musty, terpineol-like, stale

Also known as (1S,2S,4E,5S)-(-)-2,6,6-trimethyl-4-propylidenebicyclo[3.1.1]heptan-3-one

Ref: G. Buchbauer and A. Shafii-Tabatabai, Enones of (+)- and (-)-3-pinanone: influence of chirality on flavour, Flavour Fragr. J. 2003; 18: 441–445.

(1R,2R,4E,5R)-(+)-4-propylidene-isopinocamphone - Damascone-like, fine rose odour, ethylrosat®-like, camphoraceous and herbaceous side note

Also known as (1R,2R,4E,5R)-(+)-2,6,6-trimethyl-4-propylidenebicyclo[3.1.1]heptan-3-one

Ref: G. Buchbauer and A. Shafii-Tabatabai, Enones of (+)- and (-)-3-pinanone: influence of chirality on flavour, Flavour Fragr. J. 2003; 18: 441–445.

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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