Ruthenium(II)-Catalyzed C–C/C–N Coupling of 2-Arylquinazolinones with Vinylene Carbonate: Access to Fused Quinazolinones
2021
Wang, Zhao-Hui | Wang, He | Wang, Hua | Li, Lei | Zhou, Ming-Dong
In this work, ruthenium(II)-catalyzed C–C/C–N annulation of 2-arylquinazolinones with vinylene carbonate is reported to synthesize fused quinazolinones. This catalytic system tolerates a wide range of substrates with excellent functional-group compatibility. In this transformation, the vinylene carbonate acts as an ethynol surrogate without any external oxidant involved. Furthermore, preliminary mechanistic studies were conducted, and a plausible catalytic cycle was also proposed.
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