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Room Temperature Hydroamination of N-Alkenyl Ureas Catalyzed by a Gold(I) N-Heterocyclic Carbene Complex

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journal contribution
posted on 09.11.2006 by Christopher F. Bender, Ross A. Widenhoefer
Treatment of an N-4-pentenyl or N-5-hexenyl urea with a catalytic 1:1 mixture of a gold(I) N,N-diaryl imidazol-2-ylidine complex and AgOTf at or near room temperature leads to intramolecular exo-hydroamination to form the corresponding nitrogen heterocycle in excellent yield.

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