A Simple and Efficient Synthesis of Ethyl 1-Aryl-4-formyl-1<i>H</i>-pyrazole-3-carboxylates
作者:Vasyl S. Matiychuk、Mykhaylo A. Potopnyk、Mykola D. Obushak
DOI:10.1002/jhet.1042
日期:2013.2
A new simple and convenient method of synthesis of ethyl 1-aryl-4-formyl-1H-pyrazole-3-carboxylates from aromatic amines via diazonium salts has been developed. Hydrolysis and hydrazinolyization of these compounds has been investigated.