(1R,3S, 6S)-(+)-Tetrahydroirone - Woody, powdery, ambergris = (+)-4-[(1R,3S,6S)-2,2,3,6-tetramethylcyclohexyl]-butan-2-one Ref: Christian Chapuis & Robert Brauchli, Preparation of Optically Active Flowery and Woody-Like Odorant Ketones via Corey-Chaykovsky Oxiranylation: Irones and Analogues , Helv.Chim.Acta 1993, 76: 2070-2088; Elisabetta Brenna, Claudio Fuganti and Stefano Serra, Enantioselective perception of chiral odorants, Tetrahedron: Asymmetry, 14, 1–42 (2003)

(1S,3R,6R)-(-)-Tetrahydroirone - Unpleasant = (-)-4-[(1S,3R,6R)-2,2,3,6-tetramethylcyclohexyl]-butan-2-one Ref: Christian Chapuis & Robert Brauchli, Preparation of Optically Active Flowery and Woody-Like Odorant Ketones via Corey-Chaykovsky Oxiranylation: Irones and Analogues , Helv.Chim.Acta 1993, 76: 2070-2088; Elisabetta Brenna, Claudio Fuganti and Stefano Serra, Enantioselective perception of chiral odorants, Tetrahedron: Asymmetry, 14, 1–42 (2003)

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants