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

The 2-Butyl butanoates

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Photo by permission of M. Roudintska - Art & Parfum

(2S)-(+)-2-Butyl butanoate - intensely fruity, sweet ester note

Ref: A. Bernreuther, U. Epperlein and B. Koppenhoefer, Enantiomers: why they are important and how to resolve them, in Techniques for Analyzing Food Aroma, Ray Marseli, Ed., CRC Press, 1996, pp 143-208.; Armin Mosandl und Wolfgang Deger, Stereoisomere Aromastoffe XVII. Chirale Carbonsäureester - Darstellung und Eigenschaften, Zeitschrift für Lebensmitteluntersuchung und -Forschung A, Volume 185, Number 5 / November, 1987, 379-382

(2R)-(-)-2-Butyl butanoate - flowery, musty, weaker than its enantiomer

Ref: A. Bernreuther, U. Epperlein and B. Koppenhoefer, Enantiomers: why they are important and how to resolve them, in Techniques for Analyzing Food Aroma, Ray Marseli, Ed., CRC Press, 1996, pp 143-208.; Armin Mosandl und Wolfgang Deger, Stereoisomere Aromastoffe XVII. Chirale Carbonsäureester - Darstellung und Eigenschaften, Zeitschrift für Lebensmitteluntersuchung und -Forschung A, Volume 185, Number 5 / November, 1987, 379-382

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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