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Bisguanidinato and bisamidinato Tin(IV) diolates applicable in ring-opening polymerization

Paper ID Volume ID Publish Year Pages File Format Full-Text
49479 46746 2015 4 PDF Available
Title
Bisguanidinato and bisamidinato Tin(IV) diolates applicable in ring-opening polymerization
Abstract

•Polymerization of ε-caprolactone and trimethylene carbonate was studied.•Bisamidinato and bisguanidinato tin(IV) diolates were used as initiators.•Polymerization reactions were co-initiated by residual water or added alcohol.

Series of bisamidinato and bisguanidinato tin(IV) diolates prepared from 1,2-diones (3,5-di-tert-butyl-o-benzoquinone, 3,4,5,6-tetrachloro-1,2-benzoquinone, 9,10-phenanthrenedione, acenaphthenequinone, 1,2-diphenylethanedione) and {Cy-NC(n-Bu)N-Cy}2Sn or {pTol-NC[N(SiMe3)2]N-pTol}2Sn, respectively, were used as efficient initiators for ring-opening polymerization of ε-caprolactone. Moderate to good efficiency of selected compounds in trimethylene carbonate polymerization was also observed.

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Keywords
Tin; Diolate; Amidinate; Guanidinate; Biodegradable polymer
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 60, 5 February 2015, Pages 110–113
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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