Wiley, Angewandte Chemie, 12(124), p. 2979-2983, 2012
Wiley, Angewandte Chemie International Edition, 12(51), p. 2925-2929
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Unexpected Smiles! An unusual and highly regioselective synthesis of dibenzoxazepinones by a domino sequence assisted by an unexpected Smiles rearrangement is reported. The process is effective on electronically differentiated phenols and shows a high tolerance to variation in the benzamide substituents. A plausible path for the reaction, supported by preliminary mechanistic data, is offered.