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Highly Selective Catalyst-Dependent Competitive 1,2-C→C, -O→C, and -N→C Migrations from β‑Methylene-β-silyloxy-β-amido-α-diazoacetates

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posted on 30.01.2013, 00:00 by Xichen Xu, Yu Qian, Peter Y. Zavalij, Michael P. Doyle
Transition-metal catalysts direct 1,2-C→C, -O→C, and -N→C migrations from β-methylene-β-silyloxy-β-amido-α-diazoacetates with high selectivity. The key to achieving this unique display of differential selectivities relies on steric and stereoelectronic control by their catalytically generated metal carbenes.