Directing group enhanced carbonylative ring expansions of amino-substituted cyclopropanes: rhodium-catalyzed multicomponent synthesis of N-heterobicyclic …

MH Shaw, EY Melikhova, DP Kloer…

Index: Ishida, Naoki; Ikemoto, Wataru; Murakami, Masahiro Organic Letters, 2012 , vol. 14, # 12 p. 3230 - 3232

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Citation Number: 35

Abstract

... Volume: Page: ... envisaged selective metallacycle formation by employing N-protecting groups that can serve a dual role of pre-coordinating the metal catalyst (Scheme 1D).(14) Herein, we ... Rh(cod) 2 ]BF 4 afforded a mixture of alkene products 8a–c (1:7:12); 8b,c ...