Abstract
1. The acylation of aminoalkylphosphonic acids and their esters was investigated It-was shown that they can be acetylated by, heating them with acetic anhydrides the free amino phosphonic acids require the more severe conditions, 2. It was shown that aminoalkylphosphonic esters can be benzoylated by heating them with benzoyl chloride in presene of pyridine, and that free aminoalkylphosphonie acids can be benzoylated under Schottea-Biumann conditions. 3. Aminoalkylphosphonic esters react with p-toluenesulfonyl chloride in presence of pyridine with formation of the corresponding p-toluenesulfonyl derivatives. 4. N-Acetyl. N-benzoyl, and N-p-toluenesullonyl derivatives of aminoalkylphosphonlc and aminoalkylphosphothioic acids and esters were synthesized and characterized.
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