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

The Dihydro-beta-ionols

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Photo by permission of M. Roudintska - Art & Parfum

(S)-(+)-dihydro-beta-ionol - excellent retaining properties and a fine floral-amber fragrance accompanied witha high-class feeling (Yasushi et al.); also described as a woody ambery scent and a powdery floral aroma of violet and cassis (Komaki et al.)

= (2S)-(+)-4-(2,6,6-trimethylcyclohex-1-en-1-yl)butan-2-ol

Ref: Matsumura Yasushi, Fukawa Hidemichi, Endo Teruko, Maruyama Kenji, Komaki Ryoichi, (-)-4-(2,6,6-Trimethyl-1-cyclohexenyl)butan-2-ol, method for producing the same and perfume composition comprising the same, Japanese Patent No. 2002226416, August 14, 2002; Komaki, Ryoichi, Takashi Ikawa, Kozumo Saito, Kazuyo Hattori, Natsuyo Ishikawa, Hidemichi Fukawa, Masahiro Egi, and Shuji Akai. "Discovery of Aromatic Components with Excellent Fragrance Properties and Biological Activities: beta-Ionols with Antimelanogenetic Effects and Their Asymmetric Syntheses." Chemical and Pharmaceutical Bulletin 61, no. 3 (2013): 310-314.

(R)-(-)-dihydro-beta-ionol - excellent retaining properties and a fine floral-musky type fragrance accompanied with a high-class feeling (Yasushi et al.); also described as an outstanding high-class musky leathery scent and also had a powdery floral aroma of violet and cassis (Komaki et al.)

= (2R)-(-)-4-(2,6,6-trimethylcyclohex-1-en-1-yl)butan-2-ol

Ref: Matsumura Yasushi, Fukawa Hidemichi, Endo Teruko, Maruyama Kenji, Komaki Ryoichi, (-)-4-(2,6,6-Trimethyl-1-cyclohexenyl)butan-2-ol, method for producing the same and perfume composition comprising the same, Japanese Patent No. 2002226416, August 14, 2002; Komaki, Ryoichi, Takashi Ikawa, Kozumo Saito, Kazuyo Hattori, Natsuyo Ishikawa, Hidemichi Fukawa, Masahiro Egi, and Shuji Akai. "Discovery of Aromatic Components with Excellent Fragrance Properties and Biological Activities: beta-Ionols with Antimelanogenetic Effects and Their Asymmetric Syntheses." Chemical and Pharmaceutical Bulletin 61, no. 3 (2013): 310-314.

 

 

 

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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