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A catalytic system consisting of Rh 2 nbd 2 Cl 2 (nbd = norbornadiene) and a hydrophilic, neutral phosphinopyrazine ligand showed a great catalytic activity for the polymerization of phenylacetylene (PA) as well as other terminal arylacetylenes in alcohol and water under air atmosphere at room temperature. The catalyst proved to be highly stable and robust without loss of the...
Pyrazine-based hydrophilic phosphanes are useful ligands for the ruthenium- and rhodium-catalyzed hydrogenations of acetophenone under hydride transfer and dihydrogen conditions. The effect of alcohol additives on the catalytic, enantioselective aqueous hydrogenation of acetophenone is examined with the newly developed (R,R)-DAMPYPHOS as the ligand and Rh 2 (norbornadiene) 2 Cl ...
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