Supported Sulfonic Acids: Solid Catalysts for Batch and Continuous-Flow Synthetic Processes

Supported Sulfonic Acids: Solid Catalysts for Batch and Continuous-Flow Synthetic Processes

Hypercrosslinked Polymer Supported Sulfonic Acids for Esterification of Carboxylic Acids

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Continuous flow hydrogenation using polysilane-supported palladium/alumina hybrid catalysts

Continuous flow systems for hydrogenation using polysilane-supported palladium/alumina (Pd/(PSi-Al(2)O(3))) hybrid catalysts were developed. Our original Pd/(PSi-Al(2)O(3)) catalysts were used successfully in these systems and the hydrogenation of unsaturated C-C bonds and a nitro group, deprotection of a carbobenzyloxy (Cbz) group, and a dehalogenation reaction proceeded smoothly. The catalyst...

A general synthetic strategy for oxide-supported metal nanoparticle catalysts.

Despite recent exciting progress in catalysis by supported gold nanoparticles, there remains the formidable challenge of preparing supported gold catalysts that collectively incorporate precise control over factors such as size and size-distribution of the gold nanoparticles, homogeneous dispersion of the particles on the support, and the ability to utilize a wide range of supports that profoun...

Triethylamine and TBD supported on silica: useful heterogeneous catalysts for the reaction of β-dicarbonyl derivatives with α,β-unsaturated compounds under batch and continuous flow conditions

The synthesis of either monoor bis-adducts via Michael reaction between active methylene compounds and α,β-unsaturated reagents is reported. These processes are catalyzed by two heterogeneous basic catalysts, namely KG-NEt2 and KG-TBD. Both catalysts show good catalytic efficiency and can be reused several times fully preserving their efficiency. The process could be efficiently performed under...