2-Methyl-2-butenal has a penetrating, powerful green ethereal
odor. May be prepared by condensation of acetaldehyde and propionaldehyde.
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trans-2-Methyl-2-butenal is a clear colorless to yellow liquid. B.P. 135℃.
Sp.Gr. 0.87. Almost insoluble in water, soluble in alcohol and oils. Powerful and very diffusive, penetrating
“gassy” odor of green-ethereal character.
Very poor tenacity.
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Tiglic aldehyde was used in the concise total synthesis of 7-demethylpiericidin A1. It was used as starting reagent during the synthesis of:
alkyl-branched tetraene hydrocarbons, pheromone component for dried fruit beetle
E,E-2,4-dimethyl-2,4-hexa dienal, volatile constituents of the defensive secretions ofLeiobunum nigripalpi
4-methyl-2,4-hexadiene-1-ol
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trans-2-Methyl-2-butenal is one of the major volatile constituents of coriander and olive oil.
