Phosphorus analogs of amino acids. II. Synthesis of a-amino phosphonic acids and a-amino phosphinic acids via the corresponding N-acylimino derivatives.
Acyliminomethylphosphonic and acyliminomethylphosphinic esters, usually formed in situ from the corresponding acylamino(bromo)methyl compds., react with higher order mixed cuprates to yield, after hydrolysis, C-substituted aminomethylphosphonic acids and aminomethylphosphinic acids, resp.
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