Unsymmetrical diarylamido-based rare-earth alkyl complexes: their synthesis and catalytic performance in isoprene polymerization

2021 ◽  
Author(s):  
Wenhui Ren ◽  
Hui Liu ◽  
Fen You ◽  
Pengjuan Mao ◽  
Yat-Ming So ◽  
...  
Keyword(s):  
Rare Earth ◽  
Catalytic Performance ◽  
Rare Earth Complexes ◽  
Alkyl Complexes ◽  
Isoprene Polymerization

We have reported the synthesis of a family of diarylamido-based rare-earth complexes and their stereoselective polymerization of isoprene.

Rare-earth metal bis(alkyl) complexes bearing pyrrolidinyl-functionalized cyclopentadienyl, indenyl and fluorenyl ligands: synthesis, characterization and the ligand effect on isoprene polymerization

2015 ◽  
Vol 39 (10) ◽  
pp. 7575-7581 ◽  
Author(s):  
Meng Deng ◽  
Shuhui Chi ◽  
Yunjie Luo
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Ligand Effect ◽  
Alkyl Complexes ◽  
Isoprene Polymerization

The ligand effect on isoprene polymerization was investigated using rare-earth metal bis(alkyl) complexes bearing pyrrolidinyl-functionalized cyclopentadienyl, indenyl and fluorenyl ligands.

Rare-earth metal alkyl complexes bearing an alkoxy N-heterocyclic carbene ligand: synthesis, characterization, catalysis for isoprene polymerization

2015 ◽  
Vol 39 (10) ◽  
pp. 7682-7687 ◽  
Author(s):  
Shiyu Long ◽  
Baoli Wang ◽  
Hongyan Xie ◽  
Changguang Yao ◽  
Chunji Wu ◽  
...  
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Alkyl Complexes ◽  
Ligand Synthesis ◽  
Isoprene Polymerization

The new rare-earth metal alkyl complexes bearing alkoxy NHC ligands were prepared, which showed moderate cis-1,4 selectivity for isoprene polymerization.

Dialkyl Rare Earth Complexes Supported by Potentially Tridentate Amidinate Ligands: Synthesis, Structures, and Catalytic Activity in Isoprene Polymerization

2012 ◽  
Vol 2012 (13) ◽  
pp. 2289-2297 ◽  
Author(s):  
Vassily Yu. Rad'kov ◽  
Grigorii G. Skvortsov ◽  
Dmitry M. Lyubov ◽  
Anton V. Cherkasov ◽  
Georgy K. Fukin ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Rare Earth ◽  
Rare Earth Complexes ◽  
Isoprene Polymerization

Bis(alkyl) rare-earth complexes supported by a new tridentate amidinate ligand with a pendant diphenylphosphine oxide group. Synthesis, structures and catalytic activity in isoprene polymerization

2015 ◽  
Vol 44 (37) ◽  
pp. 16465-16474 ◽  
Author(s):  
Aleksei O. Tolpygin ◽  
Tatyana A. Glukhova ◽  
Anton V. Cherkasov ◽  
Georgy K. Fukin ◽  
Diana V. Aleksanyan ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Rare Earth ◽  
High Activity ◽  
Rare Earth Complexes ◽  
Diphenylphosphine Oxide ◽  
Oxide Group ◽  
Very High ◽  
Isoprene Polymerization

The introduction of a pendant Ph2P(O) group into an amidinate ligand resulted in high 1,4-cis selectivity (96.6%) while maintaining very high activity.

Anilido-oxazoline-ligated rare-earth metal complexes: synthesis, characterization and highly cis-1,4-selective polymerization of isoprene

2019 ◽  
Vol 48 (11) ◽  
pp. 3583-3592 ◽  
Author(s):  
Yu Pan ◽  
Wenqiang Li ◽  
Ning-Ning Wei ◽  
Yat-Ming So ◽  
Yang Li ◽  
...  
Keyword(s):  
Rare Earth ◽  
Metal Complexes ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Catalytic Performance ◽  
Strong Fluorescence ◽  
Rare Earth Metal Complexes ◽  
Isoprene Polymerization

Anilido-oxazoline-ligated rare-earth metal complexes show strong fluorescence emissions and good catalytic performance on isoprene polymerization with high cis-1,4-selectivity.

Bis(alkyl) rare-earth complexes coordinated by bulky tridentate amidinate ligands bearing pendant Ph2PO and Ph2PNR groups. Synthesis, structures and catalytic activity in stereospecific isoprene polymerization

2016 ◽  
Vol 45 (46) ◽  
pp. 18572-18584 ◽  
Author(s):  
Natalia Yu. Rad'kova ◽  
Aleksei O. Tolpygin ◽  
Vasily Yu. Rad'kov ◽  
Nadia M. Khamaletdinova ◽  
Anton V. Cherkasov ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Rare Earth ◽  
Rare Earth Complexes ◽  
Isoprene Polymerization

Replacement of Ph2PO group by Ph2PNPh leads to a switch of stereoselectivity from cis-1,4 to trans-1,4.

Rare-earth alkyl complexes supported by formamidinate ligands: synthesis, structure, and catalytic activity for isoprene polymerization

2014 ◽  
Vol 43 (18) ◽  
pp. 6842-6847 ◽  
Author(s):  
Liping Guo ◽  
Xiancui Zhu ◽  
Shuangliu Zhou ◽  
Xiaolong Mu ◽  
Yun Wei ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Rare Earth ◽  
Metal Complexes ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Alkyl Complexes ◽  
Highly Active ◽  
Rare Earth Metal Complexes ◽  
Isoprene Polymerization

Monoalkyl rare-earth metal complexes could be highly active catalysts for 1,4-regioselective polymerization of isoprene in the presence of cocatalysts.

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