Selective Ring-Opening Polymerization of Non-Strained γ-Butyrolactone Catalyzed by A Cyclic Trimeric Phosphazene Base

2017 ◽  
Vol 129 (42) ◽  
pp. 13167-13170 ◽  
Author(s):  
Na Zhao ◽  
Chuanli Ren ◽  
Huaike Li ◽  
Yunxin Li ◽  
Shaofeng Liu ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Selective Ring Opening

Selective ring-opening polymerization of 1,4-anhydro-α-D-ribopyranose derivatives and synthesis of stereoregular (1 → 4)-β-D-ribopyranan

1981 ◽  
Vol 14 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Toshiyuki Uryu ◽  
Kissho Kitano ◽  
Katsuhiro Ito ◽  
Junichi Yamanouchi ◽  
Kei Matsuzaki
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Selective Ring Opening

Dual Catalysis for Selective Ring-Opening Polymerization of Lactones: Evolution toward Simplicity

2015 ◽  
Vol 137 (45) ◽  
pp. 14439-14445 ◽  
Author(s):  
Stefan Naumann ◽  
Philip B. V. Scholten ◽  
James A. Wilson ◽  
Andrew P. Dove
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Selective Ring Opening ◽  
Dual Catalysis

A new route for the preparation of enriched iso-polylactide from rac-lactide via a Lewis acid catalyzed ring-opening of an epoxide

2017 ◽  
Vol 46 (18) ◽  
pp. 5938-5945 ◽  
Author(s):  
Mathew Anker ◽  
Choumini Balasanthiran ◽  
Vagulejan Balasanthiran ◽  
Malcolm H. Chisholm ◽  
Savithra Jayaraj ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Selective Ring Opening ◽  
Acid Catalyzed

Al(iii) acts as a Lewis acid for the ring-opening of an epoxide by Cl− attack and this yields stereo selective ring-opening polymerization of rac-lactide to yield iso-polylactide.

Mononuclear salen-gallium complexes for iso-selective ring-opening polymerization (ROP) of rac-lactide

2017 ◽  
Vol 46 (38) ◽  
pp. 12824-12834 ◽  
Author(s):  
David Specklin ◽  
Christophe Fliedel ◽  
Frédéric Hild ◽  
Samir Mameri ◽  
Lydia Karmazin ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Selective Ring Opening ◽  
Gallium Complexes

Mononuclear salen-supported Ga amido and alkoxide complexes, structurally characterized herein, mediate the controlled and iso-selective polymerization ofrac-lactide.

Iso-Selective Ring-Opening Polymerization of rac-Lactide Catalyzed by Crown Ether Complexes of Sodium and Potassium Naphthalenolates

2015 ◽  
Vol 54 (4) ◽  
pp. 1737-1743 ◽  
Author(s):  
Jiao Xiong ◽  
Jinjin Zhang ◽  
Yangyang Sun ◽  
Zhongran Dai ◽  
Xiaobo Pan ◽  
...  
Keyword(s):  
Crown Ether ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Crown Ether Complexes ◽  
Selective Ring Opening ◽  
Sodium And Potassium
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