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

The 3,4-Dimethylbutanolides

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

(3S,4S)-(-)-cis-3,4-Dimethylbutanolide - Faint, fatty-nutty, moldy odor

Also known as (4S,5S)-(-)-cis-4,5-Dimethyl-dihydrofuran-2(3H)-one

Ref: Armin Mosandl & Claus Gunther, Stereoisomeric Flavor Compounds. 20. Structure and Properties of gamma-lactone Enantiomers, J. Agric. Food Chem., 1989, 37, 413-418

(3R,4R)-(+)-cis-3,4-Dimethylbutanolide - Faint, sweet hay note

Also known as (4R,5R)-(+)-cis-4,5-Dimethyl-dihydrofuran-2(3H)-one

Ref: Armin Mosandl & Claus Gunther, Stereoisomeric Flavor Compounds. 20. Structure and Properties of gamma-lactone Enantiomers, J. Agric. Food Chem., 1989, 37, 413-418

(3R,4S)-(-)-trans-3,4-Dimethylbutanolide - Faint spicy, fatty-fruity note

Also known as (4R,5S)-(-)-4,5-dimethyl-dihydrofuran-2(3H)-one

Ref: Armin Mosandl & Claus Gunther, Stereoisomeric Flavor Compounds. 20. Structure and Properties of gamma-lactone Enantiomers, J. Agric. Food Chem., 1989, 37, 413-418

(3S,4R)-(+)-trans-3,4-Dimethylbutanolide - Faint, fatty, spicy note

Also known as (4S,5R)-(+)-4,5-dimethyl-dihydrofuran-2(3H)-one

Ref: Armin Mosandl & Claus Gunther, Stereoisomeric Flavor Compounds. 20. Structure and Properties of gamma-lactone Enantiomers, J. Agric. Food Chem., 1989, 37, 413-418

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 2001-2002 - Leffingwell & Associates