A new synthesis of bromobenzotropones: Oxidation of 8-bromo-5 H-benzo (a) cycloheptene

A new synthesis of bromobenzotropones: Oxidation of 8-bromo-5 H-benzo (a) cycloheptene

The oxidation of 8-bromo-5H-benzo[a]cycloheptene with some oxidation reagents was studied. 2,3- and 4,5-benzotropone derivatives were obtained. The structures of the bromobenzotropones were determined by $^1H$- and $^{13}C$-NMR data.

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