Rare-Earth Complexes with Multidentate Tethered Phenoxy-Amidinate Ligands: Synthesis, Structure, and Activity in Ring-Opening Polymerization of Lactide

2011 ◽  
Vol 30 (20) ◽  
pp. 5509-5523 ◽  
Author(s):  
Mikhail Sinenkov ◽  
Evgeny Kirillov ◽  
Thierry Roisnel ◽  
Georgy Fukin ◽  
Alexander Trifonov ◽  
...  
Keyword(s):  
Rare Earth ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Rare Earth Complexes ◽  
Structure And Activity

Rare earth complexes of phenoxy-thioether ligands: synthesis and reactivity in the ring opening polymerization of cyclic esters

2013 ◽  
Vol 42 (25) ◽  
pp. 9338 ◽  
Author(s):  
Mina Mazzeo ◽  
Roberta Tramontano ◽  
Marina Lamberti ◽  
Alessia Pilone ◽  
Stefano Milione ◽  
...  
Keyword(s):  
Rare Earth ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Rare Earth Complexes ◽  
Cyclic Esters

Synthesis and characterization of dinuclear rare-earth complexes supported by amine-bridged bis(phenolate) ligands and their catalytic activity for the ring-opening polymerization of l-lactide

2016 ◽  
Vol 45 (26) ◽  
pp. 10807-10820 ◽  
Author(s):  
Yu-Lai Duan ◽  
Jia-Xuan He ◽  
Wei Wang ◽  
Jing-Jing Zhou ◽  
Yong Huang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Rare Earth ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Rare Earth Complexes ◽  
Synthesis And Characterization ◽  
Phenolate Ligands

Neutral rare-earth complexes [M2(L)2(THF)4] have been synthesized. Their activities toward the ring-opening polymerization of l-lactides will be presented.

Rare earth metal initiated ring-opening polymerization of lactones

2000 ◽  
Vol 21 (5) ◽  
pp. 195-212 ◽  
Author(s):  
Seema Agarwal ◽  
Christian Mast ◽  
Kurt Dehnicke ◽  
Andreas Greiner
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Ring Opening ◽  
Earth Metal ◽  
Ring Opening Polymerization

Synthesis of Rare Earth Catalyst LLa[N(TMS)2]•DME(L=3,5-But2-2-HO-C6H2CH-NH-C5H4N) and Catalytic Behavior for Polymerization of Rac-Lactide

2012 ◽  
Vol 184-185 ◽  
pp. 1302-1306
Author(s):  
Xi Zhu ◽  
Yao Rong Wang
Keyword(s):  
Rare Earth ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Molar Ratio ◽  
Elimination Reaction ◽  
Catalytic Behavior ◽  
Rare Earth Catalyst

A dianionic phenoxyamido ligand was the first to be used to stabilize organo-rare-earth mental amido complex. Amine elimination reaction of La[N(SiMe3)2]3(THF)2 with 3,5-But2-2-HO-C6H2CH-NH-C5H4N in a 1 : 1 molar-ratio gave the anionic phenoxyamido neodymium amide LLa[N(TMS)2]•DME (1) in a high isolated yield. Furthemore, the catalytic behavior of complex 1 for the ring-opening polymerization of rac-lactide was explored.

Rare-earth metal complexes as catalysts for ring-opening polymerization of cyclic esters

2019 ◽  
Vol 392 ◽  
pp. 83-145 ◽  
Author(s):  
Dmitry M. Lyubov ◽  
Aleksey O. Tolpygin ◽  
Alexander A. Trifonov
Keyword(s):  
Rare Earth ◽  
Metal Complexes ◽  
Rare Earth Metal ◽  
Ring Opening ◽  
Earth Metal ◽  
Ring Opening Polymerization ◽  
Cyclic Esters ◽  
Rare Earth Metal Complexes

scholarly journals Rare-earth metal complexes derived from the acids Ph2C(X)CO2H (X= OH, NH2): Structural and ring opening polymerization (ROP) studies

2021 ◽  
Vol 1224 ◽  
pp. 129083
Author(s):  
Jack Collins ◽  
Orlando Santoro ◽  
Timothy J. Prior ◽  
Kai Chen ◽  
Carl Redshaw
Keyword(s):  
Rare Earth ◽  
Metal Complexes ◽  
Rare Earth Metal ◽  
Ring Opening ◽  
Earth Metal ◽  
Ring Opening Polymerization ◽  
Rare Earth Metal Complexes
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