Utility of 3-amino-4,6-dimethyl-1H-pyrazolo[3,4-b]pyridine in heterocyclic synthesis
✍ Scribed by Moustafa A. Gouda
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 2010
- Tongue
- English
- Weight
- 310 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0022-152X
- DOI
- 10.1002/jhet.481
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
This review describe the synthesis and reactions of 3‐amino‐4,6‐dimethyl‐1__H__‐pyrazolo[3,4‐b]pyridine as building block for the synthesis of polyfunctionalized heterocyclic compounds with pharmacological interest. J. Heterocyclic Chem., 2011.
📜 SIMILAR VOLUMES
**[4,4′‐Bi‐1__H__‐pyrazolo[3,4‐__b__]pyridines] from 1,6‐Diaryl‐1,3,4,6‐hexanetetrones** Reaction of 1,6‐diaryl‐1,3,4,6‐hexanetetrones **1a–c** (Ar = phenyl, __p__‐tolyl or 2‐thienyl) with 3‐amino‐1‐phenyl‐5‐pyrazolone (**2**) in the presence of piperidine leads to 6,6′‐diaryl‐2,2′‐diphenyl[4,4′‐bi
## Abstract magnified image A series of pyrazolo[3,4‐__b__]pyridines has been synthesized by __Friedländer__ condensation of 5‐amino‐pyrazole‐4‐carbaldehyde **1** with active methylene compounds in basic medium. Pyrazolo[4′3′:5,6]pyrido‐[2,3‐__d__]pyrimidines have been synthesized from pyrazolo[3,