Diethyl 1-hydroxy-3-phenyl-1-trimethylsilylpropylphosphonate (5) underwent silicon–tin rearrangement with tributyltin alkoxides to afford the 1-silyloxy-1-stannylpropylphosphonate (6) in high yield; the 1-hydroxypropylphosphonate (8) was converted by treatment with a stannylating agent into the kentone (9)
M. Sekine, A. Kume and T. Hata, J. Chem. Soc., Chem. Commun., 1981, 969 DOI: 10.1039/C39810000969
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