Synthesis, characterization of neodymium chloride complex of amine-bis(phenolate) ligand and its reactivity in the ring-opening polymerization of ε-caprolactone |
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| Authors: | Li Rong Wang Zhen Hua Liang Xu Feng Ni Zhi Quan Shen |
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| Affiliation: | Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China |
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| Abstract: | The neodymium chloride complex [Nd(ONN’O)Cl(THF)]2 supported by amine-bis(phenolate) ligand was synthesized by the metathesis reaction of anhydrous NdCl3 with Li2(ONN'O) [H2ONN'O = Me2NCH2CH2N(CH2-3-But2-5-Me-C6H2OH)2] in high yield. X-ray structural determination shows [Nd(ONN'O)Cl(THF)]2 complex consists of two seven-coordinate neodymium centers linked through μ-Cl bridges. And this complex was successfully used to initiate the ring-opening polymerization (ROP) of ε-caprolactone. |
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| Keywords: | Amine-bis(phenolate) complex Rare earth catalyst X-ray crystallography &epsilon -Caprolactone |
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