The 1-Hepten-3-ols

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

The 1-[2-methylbutyl]-2-methylpyrrolidines

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Photo by permission of M. Roudintska - Art & Parfum

(2S,2'S)-1-[(2'-methylbutyl]-2-methylpyrrolidine - Weak, mould-like and less stimulating odour; with slightly fruity element and sweet like chocolate.

Ref: Toru Tachihara, Susumu Ishizaki, Yoshiko Kurobayashi, Hiroshi Tamura, Youichi Ikemoto, Atsushi Onuma, Takeshi Kitahara, Synthesis and odour evaluation of stereoisomers of N-Alkyl-pyrrolidine derivatives, characteristic roast odour of seafood, Flavour and Fragrance Journal, Volume 18, Issue 4, 305-308 (2003)

(2R,2'R)-1-[(2'-methylbutyl]-2-methylpyrrolidine - Metallic, stimulating roast odour; aromatic image of burned seafood.

Ref: Toru Tachihara, Susumu Ishizaki, Yoshiko Kurobayashi, Hiroshi Tamura, Youichi Ikemoto, Atsushi Onuma, Takeshi Kitahara, Synthesis and odour evaluation of stereoisomers of N-Alkyl-pyrrolidine derivatives, characteristic roast odour of seafood, Flavour and Fragrance Journal, Volume 18, Issue 4, 305-308 (2003)

(2S,2'R)-1-[(2'-methylbutyl]-2-methylpyrrolidine - Earthy and mould-like odour, slightly ammonia-like; after several hours, sweet nuances like chocolate are also detectable in the scent.

Ref: Toru Tachihara, Susumu Ishizaki, Yoshiko Kurobayashi, Hiroshi Tamura, Youichi Ikemoto, Atsushi Onuma, Takeshi Kitahara, Synthesis and odour evaluation of stereoisomers of N-Alkyl-pyrrolidine derivatives, characteristic roast odour of seafood, Flavour and Fragrance Journal, Volume 18, Issue 4, 305-308 (2003)

(2R,2'S)-1-[(2'-methylbutyl]-2-methylpyrrolidine - Weak odour, roasted element of seafood. Image of dish made from walleye pollack roe cured in salt and red pepper.

Ref: Toru Tachihara, Susumu Ishizaki, Yoshiko Kurobayashi, Hiroshi Tamura, Youichi Ikemoto, Atsushi Onuma, Takeshi Kitahara, Synthesis and odour evaluation of stereoisomers of N-Alkyl-pyrrolidine derivatives, characteristic roast odour of seafood, Flavour and Fragrance Journal, Volume 18, Issue 4, 305-308 (2003)

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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