Synthesis and characterization of di-/triorgano stannates bearing tin-sulfonate bonds
Shankar, R., Singh, A. P., Jain, A., Kociok-Kohn, G. and Molloy, K. C., 2012. Synthesis and characterization of di-/triorgano stannates bearing tin-sulfonate bonds. Inorganica Chimica Acta, 387, pp. 420-425.
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The synthesis of new stannates, [Et 3NMe] 2[R 2Sn(OSO 2Me) 4] [R = Me (1), Et (2), Ph (3)] and [Et 3NMe][Ph 3Sn(OSO 2Me) 2] (4) has been achieved from a one pot reaction between R 2SnO (R = Me, Et, Ph) or (Ph 3Sn) 2O and dimethylsulfite [(MeO) 2S = O] in the presence of triethylamine. An important step in this synthetic protocol involves a sulfur-centered Arbuzov-type rearrangement in dimethylsulfite and in situ formation of the methanesulfonate moiety. On the contrary, direct reaction of diphenyl/triphenyltin oxide and dimethylsulfite proceeds without such rearrangement and affords [Ph 2Sn(OMe)OS(O)OMe] n (5) and (Ph 3SnO) 2SO (6), respectively. Structural aspects of 1-4 have been elucidated by X-ray crystallography.
|Creators||Shankar, R., Singh, A. P., Jain, A., Kociok-Kohn, G. and Molloy, K. C.|
|Departments||Faculty of Science > Chemistry|
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