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ChemicalBook CAS DataBase List 4-Bromo-1-fluoro-2-nitrobenzene

4-Bromo-1-fluoro-2-nitrobenzene synthesis

4synthesis methods
-

Yield:364-73-8 97.1%

Reaction Conditions:

with N-Bromosuccinimide;acetic acid at 15;

Steps:

1 (1) Upper bromine reaction:
200 g of o-fluoronitrobenzene and 1000 mL of solvent acetic acid were added to the reaction vessel.The temperature was controlled at about 15 degrees, and 268 g of the bromine reagent N-bromosuccinimide was added in portions.After the addition is completed, stir for a while, GC tracking,Until the reaction is completed. After the reaction is completed, the ice water is hydrolyzed and filtered.Obtained an off-white solid 5-bromo-2-fluoronitrobenzene303 g,97% purity,The yield was 97.1%.

References:

Changzhou University;Chen Xingquan;Dong Yanmin CN109354569, 2019, A Location in patent:Paragraph 0010; 0013

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