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

The 6-Methyloctanals

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Photo by permission of M. Roudintska - Art & Parfum

(R)-6-Methyloctanal - Oily, lacking citrusy character, weak

Ref: Y. Okubo, H. Tamura, T. Tachihara, Y. Kurobayashi, N. Tomita, H. Hirasawa, Syntheses and Odor Evaluation of Both Enantiomers of the Aldehydes in Yuzu Oil, Koryo, Terupen oyobi Seiyu Kagaku ni kansuru Toronkai Koen Yoshishu, Vol. 50th 61-63 (2006); 50th Symposium on the Chemistry of Terpenes, Essential Oils,. and Aromatics, Yokohama, Japan, Abstract, pp. 61-63 (2006).

We thank Dr. Masashi Ishikawa of T. Hasegawa Co. Ltd. for providing us the olfactory descriptions from these publications.

(S)-6-Methyloctanal - Fresh, green, sweet, citrus-like

Ref: Y. Okubo, H. Tamura, T. Tachihara, Y. Kurobayashi, N. Tomita, H. Hirasawa, Syntheses and Odor Evaluation of Both Enantiomers of the Aldehydes in Yuzu Oil, Koryo, Terupen oyobi Seiyu Kagaku ni kansuru Toronkai Koen Yoshishu, Vol. 50th 61-63 (2006); 50th Symposium on the Chemistry of Terpenes, Essential Oils,. and Aromatics, Yokohama, Japan, Abstract, pp. 61-63 (2006).

We thank Dr. Masashi Ishikawa of T. Hasegawa Co. Ltd. for providing us the olfactory descriptions from these publications.

Cyclic Terpenoid Odorants

Bicyclic Terpenoid Odorants

Acyclic Terpenoid Odorants

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones & Furanones

Sesquiterpenoid Related Odorants

Steroid Urine Type Odorants

Sandalwood Type Odorants

Musk Odorants

Miscellaneous

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