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

The 4-[(1,5-dimethylhexyl)oxy]butanals

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Photo by permission of M. Roudintska - Art & Parfum

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4-{[(1R)-1,5-dimethylhexyl]oxy}butanal - Aldehydic, floral, citrus, muguet, lower intensity than racemate

The racemate is described as "Aldehydic, green, floral, watery, very intensive and diffusive"

= 4-{[(2R)-6-methylheptan-2-yl]oxy}butanal

Ref: Hai-shan Dang, Simon Ellwood, Anne-dominique Fortineau, Christopher Furniss, Fragrance Compositions and Compounds, United States Patent Application 20100132249 (06/03/2010)

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4-{[(1S)-1,5-dimethylhexyl]oxy}butanal - Aldehydic, floral, green, watery, more intensive and diffusive than racemate

The racemate is described as "Aldehydic, green, floral, watery, very intensive and diffusive"

= 4-{[(2S)-6-methylheptan-2-yl]oxy}butanal

Ref: Hai-shan Dang, Simon Ellwood, Anne-dominique Fortineau, Christopher Furniss, Fragrance Compositions and Compounds, United States Patent Application 20100132249 (06/03/2010)

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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