A chloro pyridine and its derivatives synthetic method
The invention discloses a method for synthesizing chloropyridines and derivatives thereof and belongs to the field of fine chemical industry. According to the method, aminopyridine and derivatives thereof undergo a reaction to generate chloropyridines and derivatives thereof. The method is characterized in that phosphorus trichloride, phosphorus oxychloride or thionyl chloride and nitric acid are added into a solution of aminopyridine and the derivatives of aminopyridine, and chloropyridines and derivatives of chloropyridines can be obtained by stirring and reaction. The method has the advantages of being simple to operate, high in yield and less in three wastes.
-
Paragraph 0018; 0019
(2018/03/26)
More Articles about upstream products of 96440-05-0