The biogradability of 4fluoroaniline is the best among the three kinds of fluoroanilines,and 2,4-difluoroaniline is the worst.

The synthesis process of flumiclorac-pentyl was described in this paper the starting materials was 4-fiuoro-phenol.

Now the (R)-3-(3-fluoro-4-acetyl phenyl)-2-oxo-5-oxazolidinyl methanol is synthesized by author based on directly cyclized intermediate from benzyloxycarbonyl aromatic amine with (R)-glycidyl butyrate and another raw material m-fluoroaniline.

3-Fluoro-4-nitrophenol(FNP),an important fluoric intermediate,was synthesized from m-fluoroaniline by a four-step way including diazotization,hydrolysis,nitration and separation of the isomers.

In this paper, the synthetic methods of some important organic fluoride, such as m-fluoroaniline, 1-fluoro-2-nitro-4-(trifluoromethoxy)-benzene, 2-fluoro-3-hydroxypropanoic acid were studied.

Synthesing 3-chloro-4-fluoronitrobenzene from 3,4-dichloronitrobenzene with fluorinating method is one of important technology in manufaturing fluorochloroaniline.

Synthesing 3,4-dichloronitrobenzene from o-dichlorobenzenewith nitrating method is the first process and also one of important technology in manufaturing fluorochloroaniline.

Herbicide flufenacet was synthesized by reaction of 2-(methylsulfonyl)-5-(trifluoromethyl)-1,3,4-thiadiazole with N-(4-fluorophenyl)-2-hydroxy-N-isopropylacetamide with the yield of 94.