A Novel Synthesis of Poly(ester-alt-sulfide)s by the Ring-Opening Alternating Copolymerization of Oxiranes with γ-Thiobutyrolactone Using Quaternary Onium Salts or Crown Ether Complexes as Catalysts

1998 ◽  
Vol 31 (15) ◽  
pp. 4746-4752 ◽  
Author(s):  
Tadatomi Nishikubo ◽  
Atsushi Kameyama ◽  
Susumu Kawakami
Keyword(s):  
Crown Ether ◽  
Ring Opening ◽  
Novel Synthesis ◽  
Onium Salts ◽  
Crown Ether Complexes ◽  
Alternating Copolymerization

scholarly journals Ring-opening polymerization of rac-lactide catalyzed by crown ether complexes of sodium and potassium iminophenoxides

RSC Advances ◽  
2017 ◽  
Vol 7 (39) ◽  
pp. 24055-24063 ◽  
Author(s):  
Bing-Bing Wu ◽  
Lu-Lu Tian ◽  
Zhong-Xia Wang
Keyword(s):  
Crown Ether ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Crown Ether Complexes ◽  
Sodium And Potassium

Crown ether complexes of sodium and potassium iminophenoxides were demonstrated to catalyze the stereoselective polymerization of rac-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

scholarly journals Crown ether complexes of potassium quinolin-8-olates: synthesis, characterization and catalysis toward the ring-opening polymerization of rac-lactide

RSC Advances ◽  
2017 ◽  
Vol 7 (19) ◽  
pp. 11657-11664 ◽  
Author(s):  
Bing-Bing Wu ◽  
Zhong-Xia Wang
Keyword(s):  
Crown Ether ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Crown Ether Complexes

Crown ether complexes of potassium quinolin-8-olates were synthesized and demonstrated to catalyze the stereoselective polymerization of rac-lactide.

Synthesis, Characterization, and Reaction of Crown Ether Complexes of Aqua(hydroxy)(aryl)iodonium Ions

2005 ◽  
Vol 44 (1) ◽  
pp. 75-78 ◽  
Author(s):  
Masahito Ochiai ◽  
Kazunori Miyamoto ◽  
Yukie Yokota ◽  
Takashi Suefuji ◽  
Motoo Shiro
Keyword(s):  
Crown Ether ◽  
Crown Ether Complexes
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