Modeling the catalyst resting state in aryl tin (iv) polymerizations of lactide and estimating the relative rates of transamidation, transesterification and chain transfer
MH Chisholm, EE Delbridge, JC Gallucci
文献索引：Chisholm, Malcolm H.; Delbridge, Ewan E.; Gallucci, Judith C. New Journal of Chemistry, 2004 , vol. 28, # 1 p. 145 - 152
The preparation and characterization (IR, 1H, 13C {1H}, 119Sn NMR spectroscopy, elemental analysis and single crystal X-ray structure determination) are reported for Ph3SnOCMe2C (O) OEt (1) and Ph2Sn [OCMe2C (O) NMe2] 2 (2). In the solid state, compound 1 contains four-coordinate tin with evidence for incipient bond formation to the ester oxygen: Sn⋯ O= 2.648 (2) Å. Compound 2 contains six-coordinate tin in a pseudo- ...
