Synthesis and Catalytic Performance for Isoprene Polymerization by 1,3-Disubstiututed Indolyl Rare-earth Complexes

YAN Bo-han; TAO Yang; HUANG Ze-ming; WANG Fen-hua

doi:10.14028/j.cnki.1003-3726.2023.12.007

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Synthesis and Catalytic Performance for Isoprene Polymerization by 1,3-Disubstiututed Indolyl Rare-earth Complexes

更新时间：2023-11-23

- Synthesis and Catalytic Performance for Isoprene Polymerization by 1,3-Disubstiututed Indolyl Rare-earth Complexes
- Polymer Bulletin Vol. 36, Issue 12, Pages: 1669-1678(2023)
- 作者机构：
  
  安徽工程大学化学与环境工程学院，芜湖　241000
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2023.12.007
  CLC：
- Published：20 December 2023，
  
  Received：22 April 2023，
  
  Revised：23 May 2023，
扫描看全文
YAN Bo-han, TAO Yang, HUANG Ze-ming, WANG Fen-hua. Synthesis and Catalytic Performance for Isoprene Polymerization by 1,3-Disubstiututed Indolyl Rare-earth Complexes. [J]. Polymer Bulletin 36(12):1669-1678(2023)
DOI：

YAN Bo-han, TAO Yang, HUANG Ze-ming, WANG Fen-hua. Synthesis and Catalytic Performance for Isoprene Polymerization by 1,3-Disubstiututed Indolyl Rare-earth Complexes. [J]. Polymer Bulletin 36(12):1669-1678(2023) DOI： 10.14028/j.cnki.1003-3726.2023.12.007.

摘要

本文设计合成了新型的1

3-双取代吲哚基配体

并得到了一系列新型相应稀土金属配合物。该配合物经过了X-单晶衍射、核磁、红外和元素分析表征。配合物的结构表明

配体与配合物以NCN 三齿形式配位

加上两个烃基辅助配体

形成单核五配位构型。该类型配合物在助催化剂(AlMe

和[Ph

C][B(C

)

])作用下

能高效

高选择性催化异戊二烯聚合反应得到1

4-顺式产物。

Abstract

A novel 1

3-disubstitued indolyl ligand was designed and synthesized

and furtherly

a series of corresponding rare-earth metal complexes were obtained. The complexes were characterized by X-ray single crystal diffraction

nuclear magnetic resonance (NMR) spectroscopy

Fourier transform infrared (FTIR) spectroscopy as well as elemental analysis. The results indicated that the ligand coordinated to the metal in NCN tridentate mode to form a mononuclear penta-coordination geometry

adding two alkyl groups. The complexes could efficiently catalyze the isoprene polymerization with AlMe

and [Ph

C][B(C

)

] as co-catalysts to obtain 1

cis

polymer.

关键词

稀土金属配合物13-双取代吲哚异戊二烯聚合

Keywords

Rare-earth metal alkyl complexes13-Disubstiututed indoleIsoprenePolymerization

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