Synthesis of pyranopyrazoles using isonicotinic acid as a dual and biological organocatalyst
RSC Advances Vol. 3, No. 48, 25681–25681
In this study, a green, simple and efficient method for the preparation of 6-amino-4-(4-methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazoles by means of a one-pot four component condensation reaction of aryl aldehydes,…
DOI: 10.1039/c3ra45289a