Skeletal transformations of perfluorinated 2,2-diethyl- and 2-ethyl-2-phenyl-benzocyclobutenones under the action of antimony pentafluoride |
| |
Authors: | Yaroslav V Zonov Vyacheslav E Platonov |
| |
Institution: | N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Novosibirsk 630090, Russia |
| |
Abstract: | Perfluoro-2-ethyl-2-phenylbenzocyclobutenone heated with SbF5 at 70 °C and then treated with water, forms perfluoro-3-ethyl-3-phenylphthalide. In contrast to this, heating of perfluoro-2,2-diethylbenzo-cyclobutenone with SbF5 at 70 °C gives, after treatment of the reaction mixture with water, perfluoro-2-(pent-2-en-3-yl)benzoic acid. When the reaction temperature is raised to 125 °C, a solution of a salt of perfluoro-4-ethyl-3-methylisochromenyl cation is obtained. Hydrolysis of the solution of the salt gives perfluoro-4-ethyl-3-methylisochromen-1-one. |
| |
Keywords: | Skeletal transformations Perfluoro-2 2-diethyl-benzocyclobutenone Perfluoro-2-ethyl-2-phenyl-benzocyclobutenone Antimony pentafluoride NMR spectroscopy |
本文献已被 ScienceDirect 等数据库收录! |