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Highly efficient iron(II) catalysts toward ring opening polymerization of epsilon-caprolactone through in situ initiation
Dou, JX; Zhu, DZ; Zhang, WJ; Wang, R; Wang, SD; Zhang, QY; Zhang, XQ; Sun, WH
2019-03-24
Source PublicationINORGANICA CHIMICA ACTA
ISSN0020-1693
Volume488Pages:299-303
AbstractA series of N,N'-bidentate iron(II) complexes (Fe1-Fe5) bearing 4-arylimino-1,2,3-trihydroacridines were prepared by one pot reaction of 2,3-dihydroacridin-4-one, corresponding anilines and FeCl2 center dot 4H(2)O. All these complexes were characterized by FT-IR spectroscopy and elemental analysis, while single crystal of Fe5 was the interest for X-ray analysis, revealed tetrahedral geometry around iron center. In the presence of tetradecanol, the catalysts system Fe1-Fe5/2LiCH(2)SiMe(3) exhibited high efficiency toward ring opening polymerization of epsilon-CL at room temperature; a rare example of iron(II) complexes for ROP of cyclic ester at such lower temperature compared to common efficient iron(III) precatalysts. The H-1 NMR spectra and MALDI-TOF analysis of the resultant PCL displayed as an evident for linear structure capped with tetradecylalkoxy. Therefore, polymerization proceeded through coordination-insertion mechanism in which the iron(II) alkoxide generated in situ acted as the active species.
KeywordN,N-Bidentate iron(II) complex 4-Arylimino-1,2,3-trihydroacridine Ring opening polymerization Polycaprolactone
MOST Discipline CatalogueChemistry
DOI10.1016/j.ica.2019.01.040
Indexed BySCI
Language英语
WOS SubjectChemistry ; Inorganic & Nuclear
WOS IDWOS:000458696800036
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/41949
Collection工程塑料实验室
Affiliation1.Zhang, WJ
2.Wang, R (reprint author), Beijing Inst Fash Technol, Sch Mat Sci & Engn, Beijing Key Lab Clothing Mat R&D & Assessment, Beijing 100029, Peoples R China.
3.Sun, WH (reprint author), Chinese Acad Sci, Inst Chem, Key Lab Engn Plast, Beijing 100190, Peoples R China.
4.Sun, WH (reprint author), Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Dou, JX,Zhu, DZ,Zhang, WJ,et al. Highly efficient iron(II) catalysts toward ring opening polymerization of epsilon-caprolactone through in situ initiation[J]. INORGANICA CHIMICA ACTA,2019,488:299-303.
APA Dou, JX.,Zhu, DZ.,Zhang, WJ.,Wang, R.,Wang, SD.,...&Sun, WH.(2019).Highly efficient iron(II) catalysts toward ring opening polymerization of epsilon-caprolactone through in situ initiation.INORGANICA CHIMICA ACTA,488,299-303.
MLA Dou, JX,et al."Highly efficient iron(II) catalysts toward ring opening polymerization of epsilon-caprolactone through in situ initiation".INORGANICA CHIMICA ACTA 488(2019):299-303.
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