• room temperature aerobic oxidation of alcohols using cubr2 with tempo and a tetradentate polymer based pyridyl-imine ligand

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1095
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     a series of tetradentate pyridyl-imine terminated schiff-base ligands has been investigated for their ability in the catalytic oxidation of alcohols when combined with copper bromide (cubr2) and 2,2,6,6-tetramethylpiperidyl-1-oxy (tempo). analogous bidentate ligands showed poorer catalytic activity and the ratio of cu:ligand was of crucial importance in maintaining high yields. the polydimethylsiloxane (pdms) derived pyridyl-imine terminated ligand combined with copper(ii) ions affords an effective and selective catalyst for aerobic oxidations of primary and secondary alcohols under aqueous conditions. preliminary mechanistic studies suggest that bimetallic complexes may be playing a role in the catalytic transformation.

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