Bromotrimethylsilane is highly selective for P–O silyldealkylation of mixed carboxylate–phosphonate alkyl esters and can be used to prepare trimethylsilyl amido-, alkynyl-, and iodoalkyl-phosphonates in good yield, thus making the corresponding phosphonic acids readily available via hydrolysis with neutral H2O.
C. E. McKenna and J. Schmidhuser, J. Chem. Soc., Chem. Commun., 1979, 739 DOI: 10.1039/C39790000739
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