Abstract
Diphenyltin dinitrate has been previously reported to be an intermediate in the thermal decomposition of triphenyltin nitrate. However, in agreement with Simpson's recent report, we could not detect diphenyltin dinitrate as a product of the decomposition of triphenyltin nitrate. In the present work, diphenyltin dinitrate was prepared unequivocally by the metathetical reaction between diphenyltin dichloride or diiodide and silver nitrate and characterized by elemental analysis, molecular weight determination, infrared spectrum, and preparation and analysis of its 1,10-phenanthroline derivative. Diphenyltin dinitrate is sensitive to moisture, equivalent quantities of water converting it to sym-tetraphenyldinitratodistannoxane. Triphenyl-tin nitrate also yields sym-tetraphenyldinitratodistannoxane when warmed in chloroform with access to air. Exploratory experiments suggest that oxygen is probably necessary for the conversion.
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