Highly active rare-earth metal catalysts for heteroselective ring-opening polymerization of racemic lactide

2019 ◽  
Vol 48 (25) ◽  
pp. 9079-9088 ◽  
Author(s):  
Yu Pan ◽  
Wenqiang Li ◽  
Ning-Ning Wei ◽  
Yat-Ming So ◽  
Xiaoling Lai ◽  
...  
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Ring Opening ◽  
Earth Metal ◽  
Ring Opening Polymerization ◽  
Metal Catalysts ◽  
Highly Active

Chiral anilido-oxazoline-supported Sc complexes showed outstanding activity (TOFs of up to 2910 h−1) and heteroselectivity in the ring-opening polymerization of rac-LA.

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

Mechanistic Investigations of the Stereoselective Rare Earth Metal-Mediated Ring-Opening Polymerization of β-Butyrolactone

2015 ◽  
Vol 21 (39) ◽  
pp. 13609-13617 ◽  
Author(s):  
Peter T. Altenbuchner ◽  
Alexander Kronast ◽  
Stefan Kissling ◽  
Sergei I. Vagin ◽  
Eberhardt Herdtweck ◽  
...  
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Ring Opening ◽  
Earth Metal ◽  
Ring Opening Polymerization ◽  
Mechanistic Investigations

Ring-opening polymerization of lactones by rare-earth metal triflates and by their reusable system in ionic liquids

Tetrahedron ◽  
2007 ◽  
Vol 63 (35) ◽  
pp. 8478-8484 ◽  
Author(s):  
Nobuyoshi Nomura ◽  
Atsuko Taira ◽  
Ayumi Nakase ◽  
Takashi Tomioka ◽  
Masahiko Okada
Keyword(s):  
Ionic Liquids ◽  
Rare Earth ◽  
Rare Earth Metal ◽  
Ring Opening ◽  
Earth Metal ◽  
Ring Opening Polymerization ◽  
Metal Triflates

Synthesis of amine-bridged bis(phenolate) rare-earth metal aryloxides and their catalytic performances for the ring-opening polymerization of l-lactic acid O-carboxyanhydride and l-lactide

2017 ◽  
Vol 46 (45) ◽  
pp. 15928-15938 ◽  
Author(s):  
Hao Ouyang ◽  
Kun Nie ◽  
Dan Yuan ◽  
Yingming Yao
Keyword(s):  
Lactic Acid ◽  
Rare Earth ◽  
Comparative Study ◽  
Reaction Kinetics ◽  
Rare Earth Metal ◽  
Ring Opening ◽  
Earth Metal ◽  
Ring Opening Polymerization ◽  
Catalytic Performances

Rare-earth metal aryloxides were found as efficient initiators for the ring-opening polymerization of l-lactic acid O-carboxyanhydride and l-lactide. A comparative study on catalyst activities and reaction kinetics were conducted.

scholarly journals Ring Opening Polymerization of Oxetane by Use of Silicate Gel of Rare Earth Metal

2005 ◽  
Vol 37 (4) ◽  
pp. 262-269 ◽  
Author(s):  
Osamu Moriya ◽  
Shin-ichi Yamamoto ◽  
Toshio Sugizaki ◽  
Jun Maeda ◽  
Atsuko Kamejima ◽  
...  
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Ring Opening ◽  
Earth Metal ◽  
Ring Opening Polymerization
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