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2020 , Vol. 40 >Issue 3: 801 - 805

DOI: https://doi.org/10.6023/cjoc201908010

研究简报

含氮原子桥联吡咯基稀土金属双核配合物的合成及催化e-己内酯的开环聚合反应

  • 吴杰 ,
  • 张秀丽 ,
  • 张丽军 ,
  • 韦芸 ,
  • 周双六
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  • 安徽师范大学化学与材料科学学院 功能分子固体教育部重点实验室 分子基材料安徽省重点实验室 安徽芜湖 241002

收稿日期: 2019-08-06

  修回日期: 2019-10-13

  网络出版日期: 2019-11-01

基金资助

国家自然科学基金（Nos.21672004，21602004）资助项目.

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Synthesis and Catalytic Activity of Dinuclear Rare-Earth Metal Complexes with Nitrogen-Containing Bridged Dipyrrolyl Ligand towards Ring-Opening Polymerization of e-Caprolactone

  • Wu Jie ,
  • Zhang Xiuli ,
  • Zhang Lijun ,
  • Wei Yun ,
  • Zhou Shuangliu
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  • Laboratory of Functionalized Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000

Received date: 2019-08-06

  Revised date: 2019-10-13

  Online published: 2019-11-01

Supported by

Project supported by the National Natural Science Foundation of China (Nos. 21672004, 21602004).

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摘要

RE（CH2SiMe3）3（THF）2和1.5 equiv.（C4H3NHCH2）2NCH3（1）反应合成得到含氮原子桥联吡咯基稀土金属双核配合物[η1：η1：η1-（C4H3NCH2）2NCH3]RE{m-η5：η5：η1-（C4H3NCH2）2NCH3}RE[η1：η1：η1-（C4H3NCH2）2NCH3]（THF）[RE=Y（2），Er（3），Yb（4）]，所得配合物经过核磁共振、红外和元素分析表征，配合物2和4经单晶X-Ray进一步确认结构.同时研究了稀土配合物作为单一组分催化剂催化e-内酯的开环聚合反应.

关键词： 稀土金属; 配合物; e-己内酯; 开环聚合

本文引用格式

吴杰 , 张秀丽 , 张丽军 , 韦芸 , 周双六 . 含氮原子桥联吡咯基稀土金属双核配合物的合成及催化e-己内酯的开环聚合反应[J]. 有机化学, 2020 , 40(3) : 801 -805 . DOI: 10.6023/cjoc201908010

Abstract

Reaction of RE(CH2SiMe3)3(THF)2 with 1.5 equiv. of (C4H3NHCH2)2NCH3 (1) in toluene gave nitrogen-containing bridged dipyrrolyl dinuclear rare-earth metal complexes[η1:η1:η1-(C4H3NCH2)2NCH3]RE{m-η5:η1:η5:η1:η1-(C4H3NCH2)2N-CH3}RE[η1:η1:η1-(C4H3NCH2)2NCH3](THF)[RE=Y (2), Er (3), Yb (4)]. All complexes were fully characterized by spectroscopic methods and elemental analyses. The structures of complexes 2 and 4 were further determined by single-crystal X-ray diffraction. The catalytic properties of rare-earth metal complexes on the ring-opening polymerization of e-caprolactone have been studied.

Key words： rare-earth metal; complex; e-caprolactone; ring-opening polymerization

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