(2S)-(+)-2-heptylcyclopentanone - Heavy, coconut-like oily fruity and jasmine-like floral odor with somewhat herbaceous side note Odor Threshold = 10 ppb Ref: Takeshi Yamamoto, Miharu Ogura, Akira Amano, Kenichiro Adachi, Toshimitsu Hagiwara and Tsuneyoshi Kanisawa, Synthesis and odor of optically active 2-n-hexyl- and 2-n-heptylcyclopentanone and the corresponding delta-lactones, Tetrahedron Letters 43, (2002) 9081–9084.

(2R)-(-)-2-heptylcyclopentanone - Powerful diffusive warm jasmine-like floral odor with somewhat mandarin-like citrus side note and more tenacious than the (S)-isomer Odor Threshold = 10 ppb Ref: Takeshi Yamamoto, Miharu Ogura, Akira Amano, Kenichiro Adachi, Toshimitsu Hagiwara and Tsuneyoshi Kanisawa, Synthesis and odor of optically active 2-n-hexyl- and 2-n-heptylcyclopentanone and the corresponding delta-lactones, Tetrahedron Letters 43, (2002) 9081–9084.

 

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants