2588 Russian Chemical Bulletin, Vol. 45, No. II, November, 1996 ... Synthesis of a-substituted c -aminophosphinic and ... T. L Osipova, a AV Belyankin, a AR Khomutov, b Yu. N. Zhukov, a EN Khurs, a and RM Khomutov a* ... The reaction of ketoximes with hypophosphorous acid resulted in previously unknown ct-substituted-ct-aminophosphinic acids, which were oxidized into the corresponding ct-substit uted-c~-aminophosphonic acids ... Key words: phosphorus ...