Recipe for new diorganostannates, [R2Sn(OS(O)(2)R-1)(4)](2-), bearing alkanesulfonate groups using dialkyl sulfite as the reagent
Shankar, R., Singh, A. P., Mahon, M. F., Molloy, K. C., Hundal, G., Biesemans, M. and Willem, R., 2008. Recipe for new diorganostannates, [R2Sn(OS(O)(2)R-1)(4)](2-), bearing alkanesulfonate groups using dialkyl sulfite as the reagent. Inorganic Chemistry, 47 (3), pp. 790-792.
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A one-pot reaction between di-n-propyl/di-n-butyltin oxide, dialkyl sulfite, and triethylamine or tetra-n-alkylammonium iodide proceeds under ambient conditions (110-120 degrees C, 20 h) via sulfur-centered Arbuzov rearrangement to afford the corresponding dianionic tetraalkanesulfonato diorganostannates [R2Sn(OSO2Me)(4)]center dot 2Et(3)NMe [R = n-Pr (1), n-Bu (2)] as well as [n-Bu2Sn(OSO2R1)(4)]center dot 2R(4)(2)N [R-1 = Me, Et, n-Pr; R 2 = Et (3, 5, and 7), n-Bu (4, 6, and 8)]. X-ray crystal structures of 2 and 3 reveal a monomeric motif of the dianion, with methanesulfonate groups acting as unidentate ligands. The Sn-119 NMR spectral studies suggest the existence of pentacoordinated tin species in solution.
|Creators||Shankar, R., Singh, A. P., Mahon, M. F., Molloy, K. C., Hundal, G., Biesemans, M. and Willem, R.|
|Departments||Faculty of Science > Chemistry|
|Additional Information||ID number: ISI:000252714500011|
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