Indium-Catalyzed Block Copolymerization of Lactide and Methyl Methacrylate by Sequential Addition
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https://figshare.com/articles/dataset/Indium-Catalyzed_Block_Copolymerization_of_Lactide_and_Methyl_Methacrylate_by_Sequential_Addition/12377777
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资源简介：
We report a metal-mediated
sequential addition synthetic route
for copolymerization of lactide (or ε-caprolactone) and methyl
methacrylate. We synthesized a series of neutral and cationic indium
complexes supported by tridentate Schiff base ligands and investigated
their reactivities for the homo- and copolymerization of lactide or
ε-caprolactone and methyl methacrylate. We showed that the neutral
indium complex (±)-(NNiOtBu)In(CH2SiMe3)2 (2) catalyzes the sequential
block copolymerization of lactide/ε-caprolactone and methyl
methacrylate without any additional reagents or synthetic steps. The
block copolymers were stringently characterized by size exclusion
chromatography (SEC), diffusion ordered NMR spectroscopy (DOSY), differential
scanning calorimetry (DSC), and fractional precipitation techniques.
创建时间：
2020-05-27
