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Reductive Ring Opening of Cr(co)3-complexed B-lactam Ring: Stereoselective Synthesis of Dihydrobenzopyran
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1  Universita’ degli Studi di Milano: Dipartimento di Chimica Organica e Industriale e Centro CNR- Via Venezian, 21- 20133 Milano (Italy)

Abstract: In a preceding paper we have reported the stereoselective synthesis of a b-lactam tricyclic structure exploiting the chirality induced by ortho substituted chromiumarenes as well as its activation to the nucleophylic aromatic substitution, according the following Scheme:
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