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ChemicalBook CAS DataBase List 3,5-Bis(trifluoromethyl)nitrobenzene
328-75-6

3,5-Bis(trifluoromethyl)nitrobenzene synthesis

3synthesis methods
-

Yield: 95%

Reaction Conditions:

with sulfuric acid;nitric acid at 35; for 1 h;

Steps:

1-3 Preparation of 3,5-bistrifluoromethylnitrobenzene
Put 214g (1mol) m-bistrifluoromethylbenzene and 300g (3mol) 98% sulfuric acid into a 1L four-necked flask, and then add 98g (1.5mol) 97% nitric acid and 300g (3mol) 98% sulfuric acid dropwise at about 35 The prepared mixed acid was dripped and kept for 1 hour, then left to stand for layering, the oil layer was washed with water, alkali washed, and then washed with water to obtain 3,5-bistrifluoromethylnitrobenzene with a purity of 99% and a yield of 95%.

References:

Zhejiang Yongtai Technology Co., Ltd.;Shao Hongming;Li Fei;Chen Shaoting;Li Hongkui;Sun Zhen CN111960917, 2020, A Location in patent:Paragraph 0053-0061

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