Transition metals catalyzed C–C and C–O bonds formation: facile synthesis of flavans and benzoxepines
2013
Ramulu, B Venkat | Mahendar, L. | Krishna, J. | Reddy, A Gopi Krishna | Suchand, B. | Satyanarayana, G.
A simple and practical method has been developed based on intermolecular [Pd]-catalyzed C–C and an intramolecular [Cu]-catalyzed C–O bond formations for the synthesis of flavans and benzoxepines. Interestingly, the method is amenable for the synthesis of a wide variety of flavans and benzoxepines with dense functionalities on aromatic moieties. Significantly, flavans and benzoxepines are present as core/part-structures in many biologically active natural products.
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