the ring (Alk = Et). In aqueous solution, cyclic products with the N-isopropyl group are only stable, while the rest undergo hydrolysis with cleavage of the P-N bond of the ring. Oxazaphosphinane analogs of phosphorylacetamide and phosphorylacetohydrazide were synthesized.
2-AlkO-1,3,2-氧氮杂膦与烷基 N-卤代乙酰
氨基或 N-
氯甲基-N-甲氧基羰基
氨基
羧酸盐的反应主要产生具有保留 (Alk = Me) 和开环 (Alk = Et) 的产物。在
水溶液中,带有 N-异丙基的环状产物是稳定的,而其余的则发生
水解,环的
PN 键断裂。合成了
磷酰乙酰胺和
磷酰乙酰
肼的氧氮杂膦类似物。