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A Single-Site Iron(III)-Salan Catalyst for Converting COS to Sulfur-Containing Polymers.

ABSTRACT: 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.

SUBMITTER: Gu GG

PROVIDER: S-EPMC6418724 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature

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A Single-Site Iron(III)-Salan Catalyst for Converting COS to Sulfur-Containing Polymers.

Gu Ge-Ge GG Yue Tian-Jun TJ Wan Zhao-Qian ZQ Zhang Rong R Lu Xiao-Bing XB Ren Wei-Min WM

Polymers 20171017 10

An iron(III) complex of tetradentate <i>N</i>,<i>N</i>'-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 a ...[more]

PMID: 30965818

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