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

The [2,2,3-trimethylcyclopent-3-en-1-yl]ethanols

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Photo by permission of M. Roudintska - Art & Parfum

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(+)-(1RS)-[(1'S)-2',2',3'-trimethylcyclopent-3-en-1-yl]ethanol (ca. 20% ee) - typical clean patchouli scent, woody-camphoraceous-earthy, with slightly spicy accents and fruity-green facets, and some reminiscence to borneol.

Ref: Sãbastien March, Jerzy A. Bajgrowicz, Samuel Derrer, Philip Kraft, Urs Mueller, Organic compounds, WIPO Patent Application WO/2009/100554 (August 20, 2009)

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(-)-(1RS)-[(1'R)-2',2',3'-trimethylcyclopent-3-en-1-yl]ethanol (ca. 80% ee) - borneol- and patchouli-like note, with woody-earthy aspects

Ref: Sãbastien March, Jerzy A. Bajgrowicz, Samuel Derrer, Philip Kraft, Urs Mueller, Organic compounds, WIPO Patent Application WO/2009/100554 (August 20, 2009)

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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