Synthesis of Highly Functionalized Quinazoline-2,4(1H,3H)-diones from Isocyanides, Aniline and Isocyanate via Cu-Catalyzed Intermolecular C-H Activation Reactions,Letters in Organic Chemistry

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Synthesis of Highly Functionalized Quinazoline-2,4(1H,3H)-diones from Isocyanides, Aniline and Isocyanate via Cu-Catalyzed Intermolecular C-H Activation Reactions
Letters in Organic Chemistry ( IF 0.7 ) Pub Date : 2020-10-31 , DOI: 10.2174/1570178616666190905142545
Manijeh Nematpour ₁ , Hossein Fasihi Dastjerdi ₁ , Mehdi Jahani ₂ , Sayyed Abbas Tabatabai ₁

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A simple and appropriate procedure for the synthesis of quinazoline-2,4(1H,3H)-dione derivatives from isocyanides, aniline and isocyanate via the Cu-catalyzed intramolecular C-H activation reaction is reported. The advantages of this method are one-pot conditions, accessible starting materials- catalyst, high yield of products, and short reaction times. The structures are confirmed spectroscopically (1H- and 13C-NMR, IR and EI-MS) and by elemental analyses.

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