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  • Title: Ruthenium(II)-catalyzed synthesis of isochromenes by C-H activation with weakly coordinating aliphatic hydroxyl groups.
    Author: Nakanowatari S, Ackermann L.
    Journal: Chemistry; 2014 Apr 25; 20(18):5409-13. PubMed ID: 24677395.
    Abstract:
    Cationic ruthenium(II) complexes have been employed for the highly effective oxidative annulation of alkynes with benzyl alcohols to deliver diversely decorated isochromenes. The hydroxyl-directed C-H/O-H functionalization process proceeded efficiently under an atmosphere of air. Detailed mechanistic studies were indicative of a kinetically relevant C-H metalation.
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