发明授权
- 专利标题： Process for the manufacture of thiophosphoryl chloride
- 专利标题（中）： 制备硫代磷酰氯的方法
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申请号： US09337088申请日： 1999-06-21
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公开(公告)号： US06251350B1公开(公告)日： 2001-06-26
- 发明人: Jacqueline M. Applegate , Peter E. Newallis , Vidyanatha A. Prasad
- 申请人： Jacqueline M. Applegate , Peter E. Newallis , Vidyanatha A. Prasad
- 主分类号： C01B2510
- IPC分类号： C01B2510
摘要：
The present invention relates to an improved process for the preparation of thiophosphoryl chloride which is useful as an intermediate for the synthesis of insecticidally active compounds. The improvement comprises the presence in the reaction mixture of a catalytic amount of a nitroxide free radical of the following general formula: wherein R1, R2, R3 and R4 represent an alkyl group.
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