c

(-)-(1R,2R)-Dictyopterene B - characteristic very intense, rather pleasant, "ocean smell" = (-)-(1R,2R)-Hormosirene = (-)-(1R,2R)-1-((1E,3Z)-hexa-1,3-dienyl)-2-vinylcyclopropane Ref: Dieter Dorsch, Erika Kunz and Gunter Helmchen, Syntheses of dictyopterenene (hormosirene) and its enantiomer via asymmetric ScN' reactions, Tetrahedron Letters,Vol. 26, No.28, pp 3319-3322,1985; See also - Richard E. Moore, John A. Pettus Jr., James Mistysyn, Odoriferous C11 hydrocarbons from Hawaiian Dictyopteris, J. Org. Chem., 1974, 39 (15), pp 2201–2207; Richard E. Moore, Volatile compounds from marine algae Acc. Chem. Res., 1977, 10 (2), pp 40–47; Tadahiko Kajiwara, Yuuko Yamamoto, Yoshihiko Akakabe, Kenji Matsui, Hiroshi Shimizu, and Tesuo Kawai, Biomimetic Conversion of (3S)-(-)-Neodictyoprolenol to Optically Pure (1S,2R)-(-)-Dictyopterene B, Marine Algal Sex Pheromone, Z. Naturforsch. 58c, 109Ð112 (2003); Tadahiko Kajiwara. et al., Japanese Patent JP2003137819 (05/14/2003) (Note - Kajiwara. et al. in their publications incorrectly assigned the absolute configuration as 1S,2R).

c

(+)-(1S,2S)-Dictyopterene B - less intense and devoid of the rather pleasant, "ocean smell" = (+)-(1S,2S)-Hormosirene = (+)-(1S,2S)-1-((1E,3Z)-hexa-1,3-dienyl)-2-vinylcyclopropane Ref: Dieter Dorsch, Erika Kunz and Gunter Helmchen, Syntheses of dictyopterenene (hormosirene) and its enantiomer via asymmetric ScN' reactions, Tetrahedron Letters,Vol. 26, No.28, pp 3319-3322,1985; See also - Richard E. Moore, John A. Pettus Jr., James Mistysyn, Odoriferous C11 hydrocarbons from Hawaiian Dictyopteris, J. Org. Chem., 1974, 39 (15), pp 2201–2207; Richard E. Moore, Volatile compounds from marine algae Acc. Chem. Res., 1977, 10 (2), pp 40–47; Tadahiko Kajiwara, Yuuko Yamamoto, Yoshihiko Akakabe, Kenji Matsui, Hiroshi Shimizu, and Tesuo Kawai, Biomimetic Conversion of (3S)-(-)-Neodictyoprolenol to Optically Pure (1S,2R)-(-)-Dictyopterene B, Marine Algal Sex Pheromone, Z. Naturforsch. 58c, 109Ð112 (2003); Tadahiko Kajiwara. et al., Japanese Patent JP2003137819 (05/14/2003) (Note - Kajiwara. et al. in their publications incorrectly assigned the absolute configuration as 1R,2S).

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants