The O (1,2,2,2 tetrachloro)ethyl thiophosphoric hydrazides could be transferred into 1,3,4,2 oxadiazaphospholanes under alkaline condition.

• 四氯）乙基硫逐磷酰肼在碱性条件下可容易地生成1，3，4，2-口恶二唑磷杂环戊烷。