328-84-7, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 328-84-7, name is 3,4-Dichlorobenzotrifluoride, This compound has unique chemical properties. The synthetic route is as follows.
(a) A mixture of 3,4-dichlorobenzotrifluoride (48 g), hydrazine hydrate (65 g) and pyridine (240 g) was stirred and heated at 150 C. for 6 hours in an autoclave at a pressure of 4 bar. The cooled mixture was quenched with sodium hydroxide solution and the organic layer evaporated in vacuo. The residue was dissolved in diethyl ether, washed (water) and the ether evaporated to give 2-chloro-4-trifluoromethylphenylhydrazine and 2-chloro-5-trifluoromethylphenylhydrazine as a 95/5 mixture (36 g),
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Reference:
Patent; Aventis CropScience, S.A.; US6410737; (2002); B1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics