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Three-component synthesis of new o-hydroxyphenyl-substituted pyrazolo[3,4-b]pyridines promoted by FeCl3
- Source :
- Heterocyclic Communications. 22:63-67
- Publication Year :
- 2016
- Publisher :
- Walter de Gruyter GmbH, 2016.
-
Abstract
- An efficient three-component synthesis of o-hydroxyphenyl-substituted pyrazolo[3,4-b]pyridines from substituted salicylic aldehydes, β-keto esters and 5-aminopyrazoles in the presence of FeCl3 is presented. Newly synthesized compounds were fully characterized by means of 1H NMR, 13C NMR, IR, HRMS and elemental analysis.
Details
- ISSN :
- 21910197 and 07930283
- Volume :
- 22
- Database :
- OpenAIRE
- Journal :
- Heterocyclic Communications
- Accession number :
- edsair.doi...........0cf090f0d240238bc63e47705525f715