Synthesis of Benzopyrans by Pd(II)- or Ru(II)-Catalyzed C-H Alkenylation of 2-Aryl-3-hydroxy-2-cyclohexenones

[摘要]：2-Aryl-3-hydroxy-2-cyclohexenones are shown to be competent substrates for palladium- and ruthenium-catalyzed C-H alkenylation reactions with terminal alkenes, providing, in most cases, benzopyrans.

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