Abstract
The reaction of bis(anilino)phosphine oxide (C6H5NH)2P(O)H, 1 with Bu2 nSnCl2 in the presence of an excess of triethylamine (TEA) in dry tetrahydrofurane (THF) yields the novel N,O-bonded tin complex Bu2 nSn[NPh(O)P(H)NPh(HNEt3)]2, 2. TEA is used as a base to deprotonate the phosphazane ligand and is separated as Et3NH+Cl−, whereas HTEA+ exists in the final product 2 and act as a charge balancing and H-bond structure–directing agent. This new compound has been fully characterized by means of IR, MS, and multinuclear (1H, 31P, and 119Sn NMR) spectroscopy.
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