Copper-catalyzed efficient synthesis of 5-arylindazolo[3,2-b]quinazolin-7(5H)-ones from 2-nitrobenzaldehydes

Karim Akbari Dilmaghani; Mehdi Soheilizad; Mohammad Mahdavi; Zahra ArastehFard

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Copper-catalyzed efficient synthesis of 5-arylindazolo[3,2-b]quinazolin-7(5H)-ones from 2-nitrobenzaldehydes

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arxiv 1712.05904 v1 pith:PPPXANHO submitted 2017-12-16 physics.chem-ph

Copper-catalyzed efficient synthesis of 5-arylindazolo[3,2-b]quinazolin-7(5H)-ones from 2-nitrobenzaldehydes

Zahra ArastehFard , Karim Akbari Dilmaghani , Mehdi Soheilizad , Mohammad Mahdavi This is my paper

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keywords arylindazoloonesquinazolin-7copper-catalyzednitrobenzaldehydesaffordamino-nanhydride

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A novel and practical copper-catalyzed approach is developed for the preparation of 5-arylindazolo[3,2-b]quinazolin-7(5H)-ones. The 2-amino-N'-arylbenzohydrazide, which easily prepared by reaction of isatoic anhydride with arylhydrazine, through a condensation/intramolecular cyclization reacted by 2-nitrobenzaldehydes in the present of CuI to afford corresponding 5-arylindazolo[3,2-b]quinazolin-7(5H)-ones in good yields.

Copper-catalyzed efficient synthesis of 5-arylindazolo[3,2-b]quinazolin-7(5H)-ones from 2-nitrobenzaldehydes

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