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An unsaturated hydrocarbon containing two double bonds between carbon atoms.
- ‘They found that the lead catalyst was effective in reacting the well known Si-containing reagent Danishefsky's diene with various aldehydes to produce dihydropyrone hetero-cycles.’
- ‘While supplementation was able to reduce thiobarbituric reactive substances, it was only able to slightly lower the quantity of conjugated dienes formed.’
- ‘The formation of conjugated dienes occurs when free radicals attack the hydrogens of methylene groups separating double bonds and leading to a rearrangement of the bonds.’
- ‘They had reacted a conjugated diene with a simple alkene to generate a cycloalkane.’
- ‘They established that the conjugated triene was further hydrogenated to a non-conjugated diene and eventually to the monoene 18.’
Early 20th century: from di- ‘two’+ -ene.
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