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

The p-Menthane lactones - Part 2

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Photo by permission of M. Roudintska - Art & Parfum

The other enantiomeric pairs of the p-menthane lactones (perhydro-3,6-dimethyl-2-benzo[b]furanones) are found in The p-Menthane lactones - Part 1. Related materials are found in Part 3

(+)-(3S,3aS,6R,7aR)-perhydro-3,6-dimethyl-2-benzo[b]furanone - tonka, beans, hay, flouve type characters are best represented whose coumarinic character is more marked in the bottom note than in the top note, and is accompanied of a metallic side

Ref: Gaudin, Jean-Marc, Use of furanones as perfuming ingredients, United States Patent 5,464,824, November 7, 1995; Jean-Marc Gaudin, Synthesis and Organoleptic Properties of p-Menthane Lactones, Tetrahedron, Volume 56, Issue 27 , 30 June 2000, Pages 4769-4776

(-)-(3R,3aR,6S,7aS)-perhydro-3,6-dimethyl-2-benzo[b]furanone - description not given

Ref: Gaudin, Jean-Marc, Use of furanones as perfuming ingredients, United States Patent 5,464,824, November 7, 1995; Jean-Marc Gaudin, Synthesis and Organoleptic Properties of p-Menthane Lactones, Tetrahedron, Volume 56, Issue 27 , 30 June 2000, Pages 4769-4776

(-)-(3S,3aR,6R,7aS)-perhydro-3,6-dimethyl-2-benzo[b]furanone - coumarinic, flouve, hay, vaguely sulphury odor.

Ref: Gaudin, Jean-Marc, Use of furanones as perfuming ingredients, United States Patent 5,464,824, November 7, 1995; Jean-Marc Gaudin, Synthesis and Organoleptic Properties of p-Menthane Lactones, Tetrahedron, Volume 56, Issue 27 , 30 June 2000, Pages 4769-4776

(+)-(3R,3aS,6S,7aR)-perhydro-3,6-dimethyl-2-benzo[b]furanone - description not given

Ref: Gaudin, Jean-Marc, Use of furanones as perfuming ingredients, United States Patent 5,464,824, November 7, 1995; Jean-Marc Gaudin, Synthesis and Organoleptic Properties of p-Menthane Lactones, Tetrahedron, Volume 56, Issue 27 , 30 June 2000, Pages 4769-4776

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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