Allyl (R)-gamma-cyclogeranate - more green, less blackcurrant, less floral, weaker than (S)-enantiomer = allyl (1R)-2,2-dimethyl-6-methylenecyclohexanecarboxylate The racemic ethyl gamma-cyclogeranate is described as: rosy, green, metallic, slightly allylic (US Patent No. 5,015,625). Ref: Charles Fehr & Jose Galindo, Syntheses of the Enantiomers of gamma-Cyclogeranic Acid, gamma-Cyclocitral, and gamma-Damascone: Enantioselective Protonation of Enolates, Helv.Chim.Acta 1995, 78: 539-552; Elisabetta Brenna, Claudio Fuganti and Stefano Serra, Enantioselective perception of chiral odorants, Tetrahedron: Asymmetry, 14, 1–42 (2003); Charles Fehr & Jose Galindo, Alicyclic esters and their use as perfuming ingredients, United States Patent 5,015,625 (May 14, 1991)

Allyl (S)-gamma-cyclogeranate - green, floral, blackcurrant, aromatic, fruity, pleasant = allyl (1S)-2,2-dimethyl-6-methylenecyclohexanecarboxylate Ref: Charles Fehr & Jose Galindo, Syntheses of the Enantiomers of gamma-Cyclogeranic Acid, gamma-Cyclocitral, and gamma-Damascone: Enantioselective Protonation of Enolates, Helv.Chim.Acta 1995, 78: 539-552; 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