A Ru(II)-catalyzed C–H activation and annulation cascade were successfully established for the constructions of coumarin-fused benzo[a]quinolizin-4-ones and pyridin-2-ones, in which the intriguing 6-6-6-6-6 pentacyclic coumarin-fused scaffold was formed by a... Click to show full abstract
A Ru(II)-catalyzed C–H activation and annulation cascade were successfully established for the constructions of coumarin-fused benzo[a]quinolizin-4-ones and pyridin-2-ones, in which the intriguing 6-6-6-6-6 pentacyclic coumarin-fused scaffold was formed by a...
               
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