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A facile and user friendly technique to immobilize late transition metal complexes on nonporous silica has been developed. Among the supported diimine Ni(II) and iminopyridyl Fe(II) catalysts, former showed high activities exceeding 105 g-PE mol-metal−1 h−1 bar−1 combined with ethylaluminum sesquichloride. The obtained polymer morphology was tunable from spherical to fibrous shape.
Spherical periodic mesoporous organosilica (SPMO) supported catalyst bearing covalently tethered Ni(II) α-diimine complex has been successfully prepared in one-pot protocol reducing tedious and sensitive preparation steps. The SPMO-supported catalyst showed high activities (>10 6 g-PE mol-Ni −1 h −1 bar −1 ) in the presence of various cocatalysts such as methylaluminoxane...
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