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We report a facile biomimetic synthesis of Pd-ZnO and Pd-TiO2 nanoparticles (NPs) and their assembly on gum acacia (GA) to catalyze the selective hydrogenation of nitroarenes to the corresponding arylamines in methanol at room temperature using molecular hydrogen as the reductant. The inherent non-toxic and biocompatible properties of GA have made it to be widely used as a crystal growth modifier,...
The first total synthesis of racemic scorzocreticin and its pure enantiomers is described from readily available 3,5-dihydroxybenzoic acid. The key steps include Wittig olefination, asymmetric Me-CBS (Corey–Bakshi–Shibata) oxazaborolidine reduction, and improved Pd-catalyzed intramolecular lactonization reactions. Both the (S)-natural and (R)-unnatural enantiomers of scorzocreticin have been synthesized...
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