3238. 2,3-Dimethyl-1,3-butadiene
Nomenclature
CAS number: 513-81-5
Diisopropenyl; β,γ-dimethyl-Δ-α,γ-butadiene. C6H10; mol wt 82.14.
C 87.73%, H 12.27%.
Description and references
Occurs in the 66-70° fraction of Puertollano shale oil. Prepd by slow distillation of anhydr pinacol in the presence of hydrobromic acid: Allen, Bell, Org. Synth. coll. vol. III, 312; by rapid distillation of anhydr pinacol over alumina at 420-470°: Newton, Coburn, ibid. 313.
