α‑Amidino Rhodium Carbenes: Key Intermediates for the Preparation of (E)‑2-Aminomethylene-3-oxoindoles and Pyranoindoles
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Rhodium-catalyzed reactions of 3-diazoindolin-2-imines with aromatic aldehydes and α,β-unsaturated aldehydes respectively furnished (E)-2-aminomethylene-3-oxoindoles and pyranoindoles in moderate to excellent yields with nice functional group tolerance. The reaction proceeds in a cascade involving α-amidino rhodium carbene as the key intermediate.
创建时间：
2016-08-01
