A new synthesis of bromobenzotropones: Oxidation of 8-bromo-5H-benzo[a]cycloheptene

Dastan A; Yildiz YK; Kazaz C; Balci M

Turkish Journal of Chemistry, Vol.26, No.2, 143-151, 2002

The oxidation of 8-bromo-5H-belizo[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 H-1- and C-13-NMR data.

Keywords:tropone;benzotropone;bromobenzotropone;selenium dioxide and chromium trioxide oxidation