c

(2R,5RS)-Theaspirane - aroma of fruits, peach and honey, and sweet scent, clearly different from the racemate = (2R,5RS)-2,6,10,10-tetramethyl-1-oxaspiro[4.5]dec-6-ene = (1RS,3R)-3,6,10,10-tetramethyl-1-oxaspiro[4.5]dec-6-ene = (1RS,3R)-Theaspirane Ref: Makoto Harada, Hiroyuki Matsuda, Kenya Ishida, Yuichiro Yamazaki, Process for producing optically active theaspirane, United States Patent 7964637 (June 21, 2011)

c

(2S,5RS)-Theaspirane - aroma of camphor, mint, wood, and eucalyptus, clearly different from the racemate = (2S,5RS)-2,6,10,10-tetramethyl-1-oxaspiro[4.5]dec-6-ene = (1RS,3S)-3,6,10,10-tetramethyl-1-oxaspiro[4.5]dec-6-ene = (1RS,3S)-Theaspirane Ref: Makoto Harada, Hiroyuki Matsuda, Kenya Ishida, Yuichiro Yamazaki, Process for producing optically active theaspirane, United States Patent 7964637 (June 21, 2011)

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants