abstract |
The invention relates to a 3-substited-5-fluorine-pyridine preparation method, which comprises the following steps: mixing 3-substited-5-pyridine diazonium tetrafluoroborate and ionic liquid, and heating under stirring for a cracking reaction. The 3-substited-5-fluorine-pyridine preparation method can overcome the technical disadvantage, and has the advantages of simple technology, easy operation, high product purity, and environmental protection and safety. |