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

The 2-phenylpropanols

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Photo by permission of M. Roudintska - Art & Parfum

(2R)-2-phenylpropanol - Faint flowery, no specific odor

Odor threshold = 1000 ppb in air

Ref: D. Bartschat and A. Mosandl, Stereoisomeric flavour compounds LXXIV: 2-phenyl propanol, 2-phenylpropanal, 2-phenylpropanal dimethyl acetal: structure elucidation ans structure-function relationship, Z. Lebensm.-Unters. Forsch. 202, 266-269, 1996.

(2S)-2-phenylpropanol - No fragrance impression at >2.5 ppm in air

Odor threshold = >2500 ppb in air

Ref: D. Bartschat and A. Mosandl, Stereoisomeric flavour compounds LXXIV: 2-phenyl propanol, 2-phenylpropanal, 2-phenylpropanal dimethyl acetal: structure elucidation ans structure-function relationship, Z. Lebensm.-Unters. Forsch. 202, 266-269, 1996.

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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