Abstract:The synthesis of a series of arene-osmium(II) complexes containing phosphinite-type ligands, namely, [OsCl 2 (η 6 -p-cymene){R 2 PO(CH 2 ) n Ph}] (R = Ph, n = 1 (4a), 2 (4b), 3 (4c); R = i Pr, n = 1 (5a), 2 (5b), 3 (5c)) and [OsCl 2 (η 6 -benzene){ i Pr 2 PO(CH 2 ) 2 Ph}] (7), is presented. All these compounds were characterized by elemental analysis and multinuclear NMR spectroscopy ( 31 P{ 1 H}, 1 H and 13 C{ 1 H}), and the structure of [OsCl 2 (η 6 -p-cymene){Ph 2 PO(CH 2 ) 3 Ph}] (4c) unequivocally confirm… Show more
The catalytic hydration of cyanamides to ureas has been accomplished employing, for the first time, homogeneous catalysts, i.e. the phosphinous acid complexes [MCl2(η6-p-cymene)(PMe2OH)] (M = Ru, Os).
The catalytic hydration of cyanamides to ureas has been accomplished employing, for the first time, homogeneous catalysts, i.e. the phosphinous acid complexes [MCl2(η6-p-cymene)(PMe2OH)] (M = Ru, Os).
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