期刊
SYNTHESIS-STUTTGART
卷 45, 期 14, 页码 2043-2050出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0033-1338854
关键词
heterocycles; oxidations; dehydrogenations; reductions; amides; aldehydes
资金
- Decanato de Investigacion y Desarrollo (Universidad Simon Bolivar)
- Programa de Estimulo a la Investigacion e Innovacion (PEII)
- Decanato de Estudios de Postgrado, Universidad Simon Bolivar
A simple one-pot procedure for the preparation of 2(het)arylquinazolin-4(3H)-ones starting from readily available 2-nitrobenzamides and (het)aryl aldehydes is described. Sodium dithionite is used as the reducing agent for the nitro group, and its decomposition in situ in aqueous N,N-dimethylformamide leads to the final oxidation step that gives the desired heterocyclic compounds.
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