Page 99 - 《精细化工》2023年第2期

第 2 期 高爱红，等: 双核胺亚胺铝配合物的合成、结构及其在 ε-己内酯开环聚合中的应用 ·321·

明双核配合物间存在协同作用，提高了催化活性 [32] ； potential polymer for biodegradable food packaging applications[J].
–1
配合物Ⅴ的催化活性比双核配合物 4（TOF=1152 h ） Packaging Technology and Science, 2021, 34(8): 449-461.
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（0.3342 nm）比双核配合物 4 的两个铝中心的距离
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（0.6528 nm）短 [14] ，这说明双核配合物中心金属间 [4] SU J Y (苏健裕), CHEN L (陈玲)，YANG L S (杨连生), et al.
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表 4 单/双核胺亚胺铝结构和催化活性对比 79-84.
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–1
序号 催化剂 TOF/h
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1 Ⅴ 0.3342 9700
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1
13
过 HNMR、 CNMR、XRD 对化合物结构进行表征， [11] JIANG Y S, ZHANG W J, HAN M Y, et al. Phenoxy-imine/-amide
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–1
–1
TOF 分别为 7840 h （Ⅳ）和 9700 h （Ⅴ），转化 L-lactide[J]. Chemical Communications, 2012, 48(53): 6729-6731.
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