(+)-2-{[(1S)-1-methylpropyl]oxy}pyrazine - Green, dusty. Qualitatively, there appears to be no significant difference between the organoleptic properties of the enantiomers or racemate. Odor Threshold = 100 ppb = (+)-(2S)-sec-butoxypyrazine Ref: H. Masuda & S. Mihara, Preparation and Odor Evaluation of Both Enantiomers of Alkoxypyrazines, Agric. Biol. Chem. Vol. 53, 3367-3368, 1989.

(-)-2-{[(1R)-1-methylpropyl]oxy}pyrazine - Green, dusty Odor Threshold = 100 ppb = (-)-(2R)-sec-butoxypyrazine Ref: H. Masuda & S. Mihara, Preparation and Odor Evaluation of Both Enantiomers of Alkoxypyrazines, Agric. Biol. Chem. Vol. 53, 3367-3368, 1989.

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants