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- W2045931876 abstract "The aqueous chemistry of monoalkyltin trihalides is not yet fully understood. This work has elucidated, by 1H and 119Sn NMR spectroscopy, the hydrolysis products present in aqueous solutions of monomethyl- and monobutyl-tin trichloride containing various mole ratios of NaOH. The initial product upon dissolution of RSnCl3 in water (0.5 M) is RSn(OH)Cl2·2H2O. At a mole ratio of RSnCl3:NaOH of 1:1–2, two additional species are formed, RSn(OH)2Cl·2H2O and [RSn(OH)(H2O)4]2+. At a mole ratio of 1:3 short chain oligomers are produced, containing SnOSn linkages and pendant OH groups. At a mole ratio of 1:4, dehydration occurs between oligomers to form a cross-linked or branched polymer. At a ratio of 1:6 or above, depolymerisation has occurred to afford a monomer RSn(OH)3·2H2O. In the case of RMe the final hydrolysis product is unstable and undergoes disproportionation to yield R2Sn(OH)2·2H2O and ultimately Sn(OH)62−." @default.
- W2045931876 created "2016-06-24" @default.
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- W2045931876 date "1990-11-01" @default.
- W2045931876 modified "2023-09-28" @default.
- W2045931876 title "An investigation of the base hydrolysis of methyl- and butyl-tin trichloride in aqueous solution by 1H and 119Sn NMR spectroscopy" @default.
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- W2045931876 doi "https://doi.org/10.1016/s0020-1693(00)85979-4" @default.
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