Journal of the Chinese Chemical Society

Synthesis of Substituted Pyrazolo [3, 4??b] Pyridines

MA Khalil

Index: Khalil, Mohamed A. Journal of the Chinese Chemical Society, 2002 , vol. 49, # 6 p. 1069 - 1072

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Citation Number: 4

Abstract

Var i ous types of bi o log i cal ac tiv ity have been es tab- lished for pyra zoles and pyrazolopyridines.1-9 In view of the in ter est in these com pounds and in con tin ua tion of our syn - the sis of azoloazines,10-16 we re port herein the util ity of 3-amino-5-chloro-1-phenylpyrazole -4-carboxaldehyde (1) for the syn the sis of sev eral new pyrazolo[3,4-b]pyridine de - riv a tives re quired for a me dic i nal chem is try. 3-Amino-5-chloro-l-phenylpyrazole-4- ...