Chromium Ethylene Tri-/Tetramerization Catalysts Supported by Iminophosphine Ligands

被引：1
作者：
Zhao, Xing [1 ,2 ]
Wang, Jihe [1 ,2 ]
Liu, Dongchang [1 ,2 ]
Kong, Weihuan [1 ,2 ]
Zhang, Jun [1 ,2 ]
机构：
[1] East China Univ Sci & Technol, Sch Chem & Mol Engn, Key Lab Adv Mat, Shanghai 200237, Peoples R China
[2] East China Univ Sci & Technol, Inst Fine Chem, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China
来源：
ACS OMEGA | 2023年 / 8卷 / 38期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
SELECTIVE TRIMERIZATION; OLIGOMERIZATION; COMPLEXES; TETRAMERIZATION; POLYMERIZATION; PNP; MECHANISM; 1-OCTENE; OLEFIN; TRIMERIZATION/TETRAMERIZATION;
D O I：
10.1021/acsomega.3c03356
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new class of highly active ethylene tri-/tetramerization chromium catalysts supported by iminophosphine ligands has been studied. The impact of electronic and steric changes of these ligands on selectivity and activity has been investigated by varying P- and/or N-substituents. Upon activation with MMAO, the ligand bearing a P-cyclohexyl group displayed a high activity of 307 kg/(g Cr/h) with a high trimerization selectivity of 92.6%. Decreasing the steric hindrance of N-aryl group led to a decrease in 1-hexene selectivity (74.5%), producing more 1-octene (10.3%). X-ray diffraction analysis verifies that the ligands coordinate with the chromium center in a ?(2)-P,N mode.
引用
收藏
页码：34549 / 34556
页数：8
相关论文
共 50 条
[31]   Chromium catalysts for ethylene trimerization/tetramerization functionalized with ortho-fluorinated arylphosphine ligand [J].
Lee, Hoseong ;
Joe, Yongnam ;
Park, Hyoseung .
CATALYSIS COMMUNICATIONS, 2019, 121 :15-18
[32]   Chromium complexes bearing amidinato-phosphino ligand: synthesis, characterization, and catalytic properties of ethylene tri-/tetramerization and polymerization [J].
Liu, Rui ;
Zhu, Kongtao ;
Zhong, Xianghong ;
Li, Jiancheng ;
Liu, Zhenyu ;
Chen, Shibing ;
Zhu, Hongping .
DALTON TRANSACTIONS, 2016, 45 (42) :17020-17029
[33]   Chromium N-phosphinoamidine ethylene tri-/tetramerization catalysts: Designing a step change in 1-octene selectivity [J].
Ogawa, Takahiko ;
Lindeperg, Fabien ;
Stradiotto, Mark ;
Turculet, Laura ;
Sydora, Orson L. .
JOURNAL OF CATALYSIS, 2021, 394 :444-450
[34]   Aminophosphine-Based Chromium Catalysts for Selective Ethylene Tetramerization [J].
Shaikh, Yacoob ;
Gurnham, Joanna ;
Albahily, Khalid ;
Gambarotta, Sandro ;
Korobkov, Ilia .
ORGANOMETALLICS, 2012, 31 (21) :7427-7433
[35]   Rationalizing the catalytic performance of Cr(III) complexes stabilized with alkylphosphanyl PNP ligands for selective ethylene tri-/tetramerization: a DFT study [J].
Fan, Haonan ;
Alam, Fakhre ;
Hao, Biaobiao ;
Ma, Jing ;
Zhang, Jingyi ;
Ma, Zhi ;
Jiang, Tao .
THEORETICAL CHEMISTRY ACCOUNTS, 2022, 141 (04)
[36]   Catalytic Systems Based on Chromium(III) Silylated-Diphosphinoamines for Selective Ethylene Tri-/Tetramerization [J].
Alam, Fakhre ;
Zhang, Le ;
Wei, Wei ;
Wang, Jiadong ;
Chen, Yanhui ;
Dong, Chunhua ;
Jiang, Tao .
ACS CATALYSIS, 2018, 8 (11) :10836-10845
[37]   Chromium-Based Complexes Bearing Aminophosphine and Phosphine-Imine-Pyrryl Ligands for Selective Ethylene Tri/Tetramerization [J].
Liu, Rui ;
Liu, Yongqin ;
Yang, Weidong ;
Li, Xin ;
Feng, Lianfang .
ACS OMEGA, 2023, 8 (20) :18290-18298
[38]   Phosphanyl Methanimine (PCN) Ligands for the Selective Trimerization/Tetramerization of Ethylene with Chromium [J].
Radcliffe, James E. ;
Batsanov, Andrei S. ;
Smith, David M. ;
Scott, John A. ;
Dyer, Philip W. ;
Hanton, Martin J. .
ACS CATALYSIS, 2015, 5 (12) :7095-7098
[39]   Chromium-Based Ethylene Tetramerization Catalysts Supported by Silicon-Bridged Diphosphine Ligands: Further Combination of High Activity and Selectivity [J].
Zhang, Le ;
Meng, Xuejiao ;
Chen, Yanhui ;
Cao, Chengang ;
Jiang, Tao .
CHEMCATCHEM, 2017, 9 (01) :76-79
[40]   Computer-assisted design of asymmetric PNP ligands for ethylene tri-/tetramerization: A combined DFT and artificial neural network approach [J].
Fan, Haonan ;
Yang, Xiaodie ;
Ma, Jing ;
Hao, Biaobiao ;
Alam, Fakhre ;
Huang, Xumeng ;
Wang, Aixi ;
Jiang, Tao .
JOURNAL OF CATALYSIS, 2023, 418 :121-129
12345