The Todd--Atherton reaction of dialkyl thiophosphonates or O-alkyl piperididothiophosphonztes with monoethanolamine vinyl ether afforded the corresponding amidoesters of thiophosphoric acid.
New dialkyl et-aminophosphonates and a-aminothiophosphonates were synthesized by reaetiorrs of dialkyI-phosphates or O+O-dialky-I ~hiophosphites .w.it.h N-benzylidenr 2-(vinyloxy)ethylamine or N-(4-fluorobenzylidene)-2-r
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