Chemistry of Heterocyclic Compounds p. 1411 - 1415 (1992)
Update date:2022-08-03
Topics:
Kalme, Z. A.
Roloff, B.
Pelcher, Yu. E.
Popelis, Yu. Yu.
Khagen, F.
Dubur, G. Ya.
Methods of synthesis of 5-carbomethoxy-substituted pyrazolo<3,4-b>pyridines and 3H-imidazo<4,5-b>pyridines by their reaction with hydrazine hydrate or as a result of Hofmann rearrangement of the corresponding 2-aminopyridines were developed based on 4-aryl-3-carbamoyl(or cyano)-5-carbomethoxy-6-methyl-2-chloropyridines.
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