An efficient intermolecular [Pd]-catalyzed C–C and intramolecular [Cu]-catalyzed C–O bonds formation: synthesis of functionalized flavans and benzoxepine

…, BV Ramulu, D Dibyendu, AGK Reddy, L Mahendar…

文献索引：Suchand; Krishna; Venkat Ramulu; Dibyendu; Gopi Krishna Reddy; Mahendar; Satyanarayana Tetrahedron Letters, 2012 , vol. 53, # 30 p. 3861 - 3864

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被引用次数: 17

摘要

An efficient three-step strategy for the synthesis of functionalized flavans, starting from readily available 2-bromoiodobenzenes and aryl vinyl alcohols, is presented and successfully extended to benzoxepine. An intermolecular [Pd]-catalyzed C–C and an intramolecular [Cu]-catalyzed C–O bond formations have been employed as key transformations of the strategy.