The selective oxidation of alcohols is one of the most important transformations in organic chemistry.21 A range of supported transition-metal nanoparticles have been extensively utilized for these reactions.22 However, a large excess of base additives or expensive oxidizing agents have been employed in conjunction with harsh reaction conditions (e.g. high temperatures). In many cases, most catalysts can only be applicable to a very limited range of substrates under base-free conditions. The development of a highly active and selective catalytic system which is more economical, environmentally benign, and easily recoverable is highly desirable.
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