Complexity of imine and amine Schiff-base tin(II) complexes: drastic differences of amino and pyridyl side arms

Supajittra Yimthachote; Phongnarin Chumsaeng; Khamphee Phomphrai

doi:10.1039/d1dt02997e

Complexity of imine and amine Schiff-base tin(II) complexes: drastic differences of amino and pyridyl side arms

Dalton Trans. 2022 Jan 4;51(2):509-517. doi: 10.1039/d1dt02997e.

Authors

Supajittra Yimthachote¹, Phongnarin Chumsaeng¹, Khamphee Phomphrai¹

Affiliation

¹ Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Wangchan, Rayong 21210, Thailand. khamphee.p@vistec.ac.th.

PMID: 34847211
DOI: 10.1039/d1dt02997e

Abstract

A series of homoleptic and heteroleptic imine and amine Schiff-base tin(II) complexes containing dimethylamino and pyridyl side arms were synthesized and structurally characterized. While the tin complexes containing the dimethylamino side arm could be prepared in good yield, unusual cyclodimerization and ligand dimerization were observed for the first time for Schiff-base tin complexes having a pyridyl side arm due to the added stabilization offered by the pyridyl ring. The amine Schiff-base tin(II) complexes were active for the ring-opening copolymerization of succinic anhydride (SA) and cyclohexene oxide (CHO) at 110 °C giving highly alternating poly(SA-alt-CHO).