Synthesis and characterization of indenyl-functionalized N-heterocyclic carbene complex of Ni(II) |
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| Authors: | Hong-Mei Sun Yong Zhang |
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| Affiliation: | The Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry and Chemical Engineering, Suzhou University, Suzhou 215123, China |
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| Abstract: | A new type of Ind-NHC ligand precursor (Ind = indenyl), [C9H7-(CH2)3-(CH{NCHCHNiPr})]Br (HL·HBr, 1), was designed and prepared. The reaction of in situ generated anionic indenyl-functionalized NHC ligand LLi with (DME)NiCl2 affords a novel mono-ligand Ni(II) bromide, [C9H6-(CH2)3-(C{NCHCHNiPr})]NiBr (2), which was characterized by elemental analysis, NMR and X-ray crystal determination. Complex 2 in combination with NaBPh4 can catalyze the polymerization of styrene at 80 °C. |
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| Keywords: | Functionalized N-heterocyclic carbene Nickel(II) complex Indenyl Styrene Polymerization |
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