N-(2-吡咯甲基)-1-苯基乙亚胺·二甲基铝的合成、结构及其催化丙交酯的活性 |
Synthesis, Structure and Application in rac-Lactide Polymerization of Compound[C4H3N{CH=NCH(Me)C6H5}-2]AlMe2 |
|
摘要: 通过席夫碱配体N-(2-吡咯甲基)-1-苯基乙亚胺与三乙基铝按物质的量之比为1:1在无氧无水的条件下反应,合成了席夫碱铝的有机金属化合物N-(2-吡咯甲基)-1-苯基乙亚胺·二甲基铝。其结构分别用核磁氢谱、碳谱,元素分析和X射线单晶衍射技术进行了表征。铝化合物在催化外消旋丙交酯开环聚合反应中表现出了中等的活性并得到了以等规聚合为主的高聚物。 |
关键词: 铝 席夫碱 外消旋丙交酯 开环聚合 |
基金项目: 国家自然科学基金(No.21272142,21371111)和山西医科大学博士基金(No.055208)资助项目 |
Abstract: The crystalline compound[C4H3N{CH=NCH(Me)C6H5}-2]AlMe2 was synthesized by the reaction of the ligand (d, l)-N-(2-pyrrolylmethylene)-1-phenylethylamine and trimethylaluminum in high yield. And it was well characterized by 1H NMR, 13C NMR spectroscopy, elemental analyses and single crystal X-ray crystallography. Compound[C4H3N{CH=NCH(Me)C6H5}-2]AlMe2 is an active initiator for the polymerization of rac-lactide leading to the isotactic-rich polylactides. |
Keywords: aluminum Schiff base ligand rac-lactide ring-opening polymerization |
投稿时间:2017-05-23 修订日期:2017-07-19 |
摘要点击次数: 1654 |
全文下载次数: 1182 |
贾斌,郝俊生,童红波,魏学红,周梅素,刘滇生.N-(2-吡咯甲基)-1-苯基乙亚胺·二甲基铝的合成、结构及其催化丙交酯的活性[J].无机化学学报,2017,33(10):1876-1880. |
查看全文 查看/发表评论 下载PDF阅读器 |
Support information: |
|
|
|