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

The 2-Butanols

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Photo by permission of M. Roudintska - Art & Parfum

(2S)-(+)-2-Butanol - oily, wine-like (vinous)

Odor Threshold = 59.1 mg/m3 in air = 59.1 µg/Liter in air

Ref: G. Ohloff, Scent and Fragrances: The Fascination of Odors and Their Chemical Perspectives, Springer-Verlag, 1994; Matthias Laska and Peter Teubner, Olfactory Discrimination Ability of Human Subjects for Ten Pairs of Enantiomers, Chem. Senses 24: 161-170, 1999;; L.J. van Gemert, Compilations of Odour Threshold Values in Air, Water & other Media, edition 2003 Oliemans Punter & Partners, publisher. p. 21

(2R)-(-)-2-Butanol - oily, wine-like (vinous)

Odor Threshold = 41.8 mg/m3 in air = 41.8 µg/Liter in air

Ref: G. Ohloff, Scent and Fragrances: The Fascination of Odors and Their Chemical Perspectives, Springer-Verlag, 1994; Matthias Laska and Peter Teubner, Olfactory Discrimination Ability of Human Subjects for Ten Pairs of Enantiomers, Chem. Senses 24: 161-170, 1999;; L.J. van Gemert, Compilations of Odour Threshold Values in Air, Water & other Media, edition 2003 Oliemans Punter & Partners, publisher. p. 21

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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