A green, slightly fatty alcohol with a fresh cut-stem character and a mild waxy-oily undertone. Softer and more vegetal than hexenol, with a subtle herbaceous nuance rather than sharpness.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 651.
Colorless or white needle-like crystals.
Almost insoluble in water, soluble in alcohol and oils.
Sweet-oily, green odor, somewhat grassy-weedy, but quite refreshing and moderately tenacious. The alcohol oxidizes very easily in air and this process affects the odor considerably to the disadvantage of the pleasantness of this alcohol.
This conjugated diene alcohol is occasionally used in perfume compositions as part of a “green note”’, mostly for top note effects in Muguet or Lily, but also in various non-floral types.
1) by Ponndorf reduction (with Aluminum iso-propoxide in iso-Propanol solution) of the corresponding aldehyde, Hexadienal. 2) the alcohol can also be obtained by reduction of the Ethyl ester of the acid, Sorbic acid, which is prepared from Croton aldehyde by MaIonic acid condensation.