ChemInform Abstract: Copper-Catalyzed Consecutive Reaction to Construct Quinazolin-4(3H)-ones and Pyrido[2,3-d]pyrimidin-4(3H)-ones.
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文摘
The title reaction starts from easily available 2-halobenzamides [e.g. (I)] or 2-halonicotinamides (X) and proceeds probably via aromatic nuleophilic substitution of azide/copper catalyzed reduction/imine formation/cyclization/oxidation sequence.

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