Synthesis of Stable Phosphomide Ligands and their Use in Ru‐Catalyzed Hydrogenations of Bicarbonate and Related Substrates
作者： Saravanan Gowrisankar , Christopher Federsel , Helfried Neumann , Carolin Ziebart , Ralf Jackstell
关键词: Sodium formate 、 Organic chemistry 、 Homogeneous catalysis 、 Medicinal chemistry 、 Sodium bicarbonate 、 Catalysis 、 Chemistry 、 Catalytic cycle 、 Bicarbonate 、 Benzaldehyde 、 Ruthenium
摘要: New benzoyl- and naphthoyl-substituted phosphines have been synthesized, which are stable to air moisture. Testing these so-called phosphomide ligands in the presence of different ruthenium precursors, hydrogenation sodium bicarbonate (NaHCO(3)) formate (NaHCO(2)) proceeded with good catalyst turnover numbers range 1300-1600 at 80°C a total pressure hydrogen 60 bar absence amines or other additives. Similarly, catalytic hydrogenations carbon dioxide, cinnam-, benzaldehyde were possible new complexes. As an intermediate cycle defined complex [(η(6)-C(6)H(6))-RuCl(2)(Cy(2)P(1-naphthoyl)] (Cy=cyclohexyl) was prepared characterized by X-ray crystallography.
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