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Application of Bromotrimethylsilane and Trialkyl Phosphites for Convenient and Effective Synthesis of Aminophoshonic Acids and Corresponding Monoalkyl and Dialkyl Esters

Boduszek B.

Polish Journal of Chemistry

2001

Vol. 75, nr 5

663-672

Application of bromotrimethylsilane (Br-TMS) in a mixture with trialkyl phosphite for synthesis of various aminophosphonic acids and esters was investigated. It was found, that appropriate mixtures of Br-TMS and trimethyl phosphite or triethyl phosphite were effective reagents for phosphorylation of various aldimines, obtained from aromatic and heteroaromatic aldehydes. Products of these reactions were corresponding aminophosphonic acids, or corresponding dialkyl or monoalkyl esters, respectively.