Lewis acid catalyzed diastereoselective [3+4]-annulation of donor-acceptor cyclopropanes with anthranils: synthesis of tetrahydro-1-benzazepine derivatives.
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DOI: 10.1039/c7cc04239f
Abstract: A Lewis acid catalyzed [3+4]-annulation reaction between cyclopropane 1,1-diesters and anthranils has been developed. This annulation consists of a reaction sequence involving ring-opening/aromatization/nucleophilic addition. Thereinto, aromatization is the driving force for this annulation. Using this… read more here.
Keywords: annulation donor; annulation; lewis acid; catalyzed diastereoselective ... See more keywords