Abstract

A novel visible-light-induced trifluoromethylation of isonitrile-substituted methylenecyclopropanes is developed. A range of substituted 6-(trifluoromethyl)-7,8-dihydrobenzo[k]phenanthridine derivatives are readily furnished by this newly developed tandem trifluoromethylation reaction with moderate to good yields. This reaction allows the direct formation of two six-membered rings and three new C-C bonds including the C-CF3 bond under the irradiation by visible light.

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