Khamphee PhomphraiChatyapha Pongchan-OWipavee ThumrongpatanaraksPreeyanuch SangtrirutnugulPalangpon KongsaereeManat PohmakotrMahidol University2018-05-032018-05-032011-03-14Dalton Transactions. Vol.40, No.10 (2011), 2157-215914779234147792262-s2.0-79951928361https://repository.li.mahidol.ac.th/handle/20.500.14594/11724A 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) (M n up to 160,600 Da). Ligands having electron donating groups were found to accelerate the polymerization by making the complex more nucleophilic. © 2011 The Royal Society of Chemistry.Mahidol UniversityChemistryArticleSCOPUS10.1039/c0dt01050b