Diane Dickie - Insertion reactions of CO2, OCS, and CS2 into the Sn-N bonds of (Me2N)2Sn: NMR and X-ray structural characterization of the products.

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      Publication Details (including relevant citation   information): Stewart,Constantine A., Dickie,Diane A.,   Tang,Yongjun, Kemp,Richard A., Inorg. Chim. Acta,   2011, 376 (1), pp 73-79

      Abstract: The interactions of the heteroallenes   CO2, OCS, and CS2 with (Me2N)2Sn were studied. These CX2 species   insert into the Sn-N bonds under mild conditions to provide   products bis-(N,N-dimethylcarbamato)tin(II), [(Me2NCO2)2Sn]2,   bis-(N,N-dimethylthiocarbamato)tin(II), [Me2NC(O)S]2Sn and   bis-(N,N-dimethyldithiocarbamato)tin(II), (Me2NCS2)2Sn. These   mols. were fully characterized by traditional spectroscopic   methods as well as by x-ray crystallog. The [Me2NC(O)S]2Sn   product is the 1st example of a structurally characterized Sn(II)   thiocarbamate. The solid-state structures of the final products   vary depending on the heteroallene inserted. The CO2-inserted   product is dimeric in the solid-state, with both bridging and   chelating carbamate ligands. These dimers form a chain-like   network via intermol. Sn···O interactions. The monomeric   thiocarbamate also shows a chain-like extended structure, through   both Sn···O and Sn···S interactions, while the dithiocarbamate   product has no significant intermol. contacts. [on SciFinder(R)]

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