Journal
POLYMERS
Volume 9, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/polym9100515
Keywords
carbonyl sulfide; epoxide; iron catalyst; poly(monothiocarbonate)s
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Funding
- National Natural Science Foundation of China (NSFC) [21674015, 21474011]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT13008]
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An iron(III) complex of tetradentate N,N-disubstituted bis(aminophenoxide) (designated as salan, a saturated version of the corresponding salen ligand) with a sterically hindered organic base anchored on the ligand framework, can selectively mediate the conversion of carbonyl sulfide to sulfur-containing polymers by the copolymerization with epoxides. This single-site catalyst exhibits broad substrate scope, and the resultant copolymers have completely alternating structures. In addition, this catalyst is efficient in producing diblock copolymers, suggesting a living polymerization nature.
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