Journal of Organic Chemistry p. 4196 - 4197 (1993)
Update date:2022-08-25
Topics:
Tomioka, Hideo
Taketsuji, Kohji
Flash vacuum pyrolysis of <<(methoxycarbonyl)methyl>phenyl>diazomethanes produced 1-(methoxycarbonyl)benzocyclobutene, as a result of intramolecular C-H insertion in the ortho isomer of <<(methoxycarbonyl)methyl>phenyl>carbene generated by carbene-carbene rearrangement, and 8-(methoxycarbonyl)heptafulvene, presumably formed by intramolecular H migration in the seven-membered ring intermediates involved in the rearrangement.
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