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ChemicalBook CAS DataBase List Fipronil
120068-37-3

Fipronil synthesis

13synthesis methods
120068-79-3 Synthesis
5-Amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)pyrazole

120068-79-3
230 suppliers
$10.00/1g

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Yield:120068-37-3 99%

Reaction Conditions:

with dimethylamine p-toluenesulfonate for 10 h;Heating;

Steps:

4

4. Add CF3SOCl to the appropriate reagent, react, heat up, and then add 99.5% of 5-amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)pyrazole. And a mixture of p-toluenesulfonic acid dimethylamine salt, while adding a catalyst, and reacting for 10 hours, the solvent was evaporated under reduced pressure to obtain 98-99% of fipronil.

References:

CN104557713,2018,B Location in patent:Paragraph 0007; 0012

41804-89-1 Synthesis
potassium trifluoromethanesulfonate

41804-89-1
29 suppliers
$110.00/1g

120068-79-3 Synthesis
5-Amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)pyrazole

120068-79-3
230 suppliers
$10.00/1g

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