Issue 10, 2011
From the journal:

Dalton Transactions

Synthesis of high-molecular-weight poly(ε-caprolactone) catalyzed by highly active bis(amidinate) tin(ii) complexes†

Khamphee Phomphrai,*a   Chatyapha Pongchan-o,a   Wipavee Thumrongpatanaraks,a   Preeyanuch Sangtrirutnugul,a   Palangpon Kongsaereea  and  Manat Pohmakotra  

* Corresponding authors

a Center for Catalysis, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, Thailand
E-mail: sckpp@mahidol.ac.th
Fax: +662-354-7151
Tel: +662-201-5146

Abstract

A series of bis(amidinate) tin(II) complexes is synthesized and shown to rapidly polymerize ε-caprolactone (ε-CL) in the presence and absence of benzyl alcohol giving high-molecular-weight poly(ε-CL) (Mn up to 160,600 Da). Ligands having electron donating groups were found to accelerate the polymerization by making the complex more nucleophilic.

Graphical abstract: Synthesis of high-molecular-weight poly(ε-caprolactone) catalyzed by highly active bis(amidinate) tin(ii) complexes

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Article information

DOI
https://doi.org/10.1039/C0DT01050B
Article type
Communication
Submitted
18 Aug 2010
Accepted
10 Nov 2010
First published
01 Dec 2010

Dalton Trans., 2011,40, 2157-2159

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Synthesis of high-molecular-weight poly(ε-caprolactone) catalyzed by highly active bis(amidinate) tin(II) complexes

K. Phomphrai, C. Pongchan-o, W. Thumrongpatanaraks, P. Sangtrirutnugul, P. Kongsaeree and M. Pohmakotr, Dalton Trans., 2011, 40, 2157 DOI: 10.1039/C0DT01050B

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