Synthetic Communications p. 2659 - 2664 (1998)
Update date:2022-08-11
Topics:
Fu, Xiangkai
Gong, Chengbin
Ma, Xuebing
Wen, Shuying
2-Aminoethylphosphonic acid (AEPA) and its N-substituted compounds were prepared by one step reaction using 2-chloroethylphosphonic acid with ammonia and amines (H2NMe, HNMeMe, HNEtEt, H2NPr-n, H2NCH2ph,H2NCH2CH2NH2 and H2N(C=NH)NH2 in a dilute alkaline solution below 20 °C with simple work- up and easy purification. The reaction was accelerated by catalytic amount of potassium iodide. The yield for the reaction products were 35.6 to 48.6% for the KI absence and 78.2 to 88.0% for the KI presence.
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