Huang Bin, Zha Zhenglin
2011
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Journal
Chemical Reagents
Abstract
1H-Pyrazolo[3,4-b] pyridine was synthesized by using 2-chloronicotinic acid as the starting material via reduction,oxidation,oximation and cyclization.The total yield of four steps was 67.21%.The structure of the product was confirmed by 1HNMR,and MS.This method has many advantages,such as easy operation,low cost and environment-friendly,which can be feasible to large scale preparation.