Synthesis, Characterization, and Catalysis of Mixed-Ligand Lithium Aggregates, Excellent Initiators for the Ring-Opening Polymerization of l-Lactide
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https://figshare.com/articles/dataset/Synthesis_Characterization_and_Catalysis_of_Mixed-Ligand_Lithium_Aggregates_Excellent_Initiators_for_the_Ring-Opening_Polymerization_of_l-Lactide/3634227
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资源简介：
Three novel mixed-ligand lithium aggregates, [(μ3-EDBP)Li2]2[(μ3-nBu)Li(0.5Et2O)]2 (1), [(μ3-EDBP)Li2]2[(μ3-OBn)Li]2 (2), and [(μ3-EDBP)Li2]2[(μ3-OCH2CH2OCH2CH3)Li]2 (3), have been synthesized and
structurally characterized. The reaction of 2,2‘-ethylidene-bis(4,6-di-tert-butylphenol) (EDBP-H2) with 3.6 molar
equiv of nBuLi gives 1 in high yield. 1 further reacts with benzyl alcohol and 2-ethoxyethanol respectively to
yield the corresponding products 2 and 3. Experimental results show that 2 and 3 efficiently initiate the ring-opening polymerization of l-lactide in a controlled fashion, yielding polymers with very narrow polydispersity
indexes in a wide range of monomer-to-initiator ratios.
创建时间：
2016-08-18
