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摘要
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.
- 出版日期2013-7
