The delta-Octathionolactones

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

The 3-Mercapto-2-methylpropanols

You must have Java installed to view the molecular visualization on this page
Photo by permission of M. Roudintska - Art & Parfum

(2S)-3-mercapto-2-methylpropan-1-ol - Weaker than the (2R)-enantiomer. Although both of the enantiomers are characterized by the same broth and sweat odour, they have very different odour strength and thresholds.

Odor threshold = 35-40 ppb (in water)

Ref: Bouchilloux, Patricia ; Philippe Darriet, Denis Dubourdieu, Robert Henry, Sylvia Reichert, Armin Mosandl, Stereodifferentiation of 3-mercapto-2-methylpropanol in wine, Eur. Food Res. Technol., (2000) 210 :349–352

(2R)-3-mercapto-2-methylpropan-1-ol - Stronger than than the (2S)-enantiomer. Although both of the enantiomers are characterized by the same broth and sweat odour, they have very different odour strength and thresholds.

Odor threshold = 3-7 ppb (in water)

Ref: Bouchilloux, Patricia ; Philippe Darriet, Denis Dubourdieu, Robert Henry, Sylvia Reichert, Armin Mosandl, Stereodifferentiation of 3-mercapto-2-methylpropanol in wine, Eur. Food Res. Technol., (2000) 210 :349–352

 

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

HOME

Copyright 2001 - Leffingwell & Associates