Department of Chemistry, Korea Advanced Institute of Science and Technology, 373- I, Kusung-Dong, Yusung-Gu, Taejon, 305-701, Korea e-mail address : dyoh0,sorak.kaist.ac.h ... Abstract : p -amino phosphonate derivatives are synthesized in one-pot procedure via reduction of p -enamino phosphonate intermediates with NaBHdacetic acid or trijluoroacetic acid. ... The phosphonic acids and their esters, which are more resistant to hydrolysis than ...