Highly efficient enantio-differentiating hydrogenation over an ultrasonicated raney nickel catalyst modified with tartaric acid

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Abstract
A tartaric acid–NaBr-modified Raney nickel catalyst prepared from ultrasonicated Raney nickel showed excellent enantio-differentiating and hydrogenating activity in the hydrogenation of a series of 3-oxoalkanoate and 1,3-diketones.