Synthetic method of medicine raw material namely 5-fluoro-2-bromoisonicotinic acid
A synthesis method and isonicotinic acid technology, applied in directions such as organic chemistry, can solve problems such as the synthesis method of unreported compounds, and achieve the effect of simple synthesis method and safe operation
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[0008] The synthetic method of pharmaceutical raw material 5-fluoro-2-bromoisonicotinic acid of the present invention is specifically as follows:
[0009] Using 2,5-dibromopyridine as raw material, 5-fluoro-2-bromopyridine is prepared by displacement method under the action of certain solvent and catalyst, and then further undergoes hydroxylation to generate 5-fluoro-2-bromoisonicotinic acid. The purity of this crude product can meet the general reaction requirements and can be directly put into the reaction.
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