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ChemicalBook CAS DataBase List Triazophos
24017-47-8

Triazophos synthesis

1synthesis methods
I. Phenylhydrazine hydrochloride and urea were mixed and heated to 150-160 ℃ with stirring, the reaction produced ammonia to get a yellow melt. Cooling, washing, filtration, recrystallization with alcohol to get 1-phenylaminourea (melting point 172 ℃). 1-
-

Yield: 93.1%

Reaction Conditions:

with dmap;N-benzyl-N,N,N-triethylammonium chloride;sodium dodecyl sulfate;potassium carbonate in water; pH=9.5 - 10 at 50; for 2.5 h;

References:

Ge, Xin;Qian, Chao;Chen, Xinzhi [Phosphorus, Sulfur and Silicon and the Related Elements,2013,vol. 188,# 6,p. 739 - 744] Location in patent:supporting information

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