Bulletin of the Chemical Society of Japan p. 745 - 747 (1980)
Update date:2022-07-30
Topics:
Imafuku, Kimiaki
Yamagushi, Kazuko
Matsumura, Hisashi
3-(1-Phenylvinyl)tropolone (3b) was prepared by the hydrolysis of cycloadducts of 6-methyl-6-phenylfulvene with dichloroketene. 3-Isopropenyltropolone and 3b were treated with 2,3-dichloro-5,6-dicyano-p-benzoquinone or performic acid to give 3-methyl- and 3-phenyl-8H-cycloheptafuran-8-one, respectively.Reaction of 3b with hydrazoic acid afforded an unexpected 3-acetyltropolone.
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