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ChemicalBook CAS DataBase List Teflubenzuron
83121-18-0

Teflubenzuron synthesis

5synthesis methods
60731-73-9 Synthesis
2,6-Difluorobenzoyl isocyanate

60731-73-9
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83121-15-7 Synthesis
2,4-Difluoro-3,5-dichloroaniline

83121-15-7
156 suppliers
$10.00/1g

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Yield:83121-18-0 96%

Reaction Conditions:

in chloroform;toluene for 2 h;Reflux;

Steps:

1-3
Put 465g of 2,4-difluoro-3,5-dichloroaniline, 300g of toluene, and 300g of chloroform into a 2000mL reaction flask, add 426g of 2,6-difluorobenzoyl isocyanate dropwise at room temperature, and then heat up to reflux for reaction. After 2 hours, after passing the test, the temperature was lowered, filtered with suction, and dried to obtain 842.8 g of Triflubenzuron with a content of 99.1% and a yield of 96%.

References:

Zhejiang Nanjiao Chemical Co., Ltd.;Yi Miao;Yin Kai;Yang Jiangyu;Wu Hao;Wu Wenliang;Yu Jiang;Gu Minmin;Chai Huaqiang CN111995538, 2020, A Location in patent:Paragraph 0056; 0062; 0064; 0070; 0072; 0078

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