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

The Tricycloketones

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

(-)-(1aR,5R,5aS,6aR)-Tricycloketone - On an odor rating scale: dusty-woody, fresh, green, sour, spicy herbal, slightly animal, erogenic

Odor threshold (in water) = 80000-120000 ppb

= (-)-(1aR,5R,5aS,6aR)-6a-isopropyl-5,5a-dimethyl-1a,4,5,5a,6,6a-hexahydrocyclopropa[a]inden-3(1H)-one

Ref: H.G. Haring, F. Rijkens & H. Boelens, J. Agric. Food Chem., 20, 1018-1021 (1972)

(+)-(1aS,5S,5aR,6aS)-Tricycloketone - On an odor rating scale: dusty-woody, spicy, slightly fresh, green, sour, herbal, animal, erogenic

Odor threshold (in water) = 40000-80000 ppb

= (+)-(1aS,5S,5aR,6aS)-6a-isopropyl-5,5a-dimethyl-1a,4,5,5a,6,6a-hexahydrocyclopropa[a]inden-3(1H)-one

Ref: H.G. Haring, F. Rijkens & H. Boelens, J. Agric. Food Chem., 20, 1018 (1972)

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