Palladium-catalyzed annulation of benzynes with N-substituted-N-(2-halophenyl)formamides: synthesis of phenanthridinones.

Yuan Yang, Hui Huang, Lijun Wu, Yun liang

Organic & biomolecular chemistry 2014 Aug 7

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A novel and efficient procedure for the synthesis of N-substituted phenanthridinones via palladium-catalyzed annulation of benzynes with N-substituted-N-(2-halophenyl)formamides has been developed. This methodology constructs two new C-C bonds via an arylation/annulation process, and provides the desired products in good yields.

Citation

Yuan Yang, Hui Huang, Lijun Wu, Yun liang. Palladium-catalyzed annulation of benzynes with N-substituted-N-(2-halophenyl)formamides: synthesis of phenanthridinones. Organic & biomolecular chemistry. 2014 Aug 7;12(29):5351-5