Mild and efficient synthesis and base-promoted rearrangement of novel isoxazolo[4,5-b]pyridines.
Beilstein J Org Chem
; 20: 1069-1075, 2024.
Article
em En
| MEDLINE
| ID: mdl-38774274
ABSTRACT
An efficient method for the synthesis of isoxazolo[4,5-b]pyridines has been developed on the basis of readily available 2-chloro-3-nitropyridines via the intramolecular nucleophilic substitution of the nitro group as a key step. The previously unknown base-promoted Boulton-Katritzky rearrangement of isoxazolo[4,5-b]pyridine-3-carbaldehyde arylhydrazones into 3-hydroxy-2-(2-aryl[1,2,3]triazol-4-yl)pyridines was observed.
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1
Coleções:
01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
Beilstein J Org Chem
Ano de publicação:
2024
Tipo de documento:
Article
País de afiliação:
Federação Russa
País de publicação:
Alemanha