Copper-catalyzed efficient synthesis of 5-arylindazolo3,2-bquinazolin-7(5H)-ones from 2-nitrobenzaldehydes

(2018) Copper-catalyzed efficient synthesis of 5-arylindazolo3,2-bquinazolin-7(5H)-ones from 2-nitrobenzaldehydes. Tetrahedron.

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Abstract

A novel and practical copper-catalyzed approach was developed for the preparation of 5-arylindazolo3,2-bquinazolin-7(5H)-ones. The 2-amino-N�-arylbenzohydrazideis easily prepared by a reaction of isatoic anhydride with arylhydrazine. Then, through a condensation/intramolecular cyclization reaction by 2-nitrobenzaldehydes in the present of CuI, the corresponding 5-arylindazolo3,2-bquinazolin-7(5H)-ones are produced in good yields. © 2018

Item Type: Article
Additional Information: cited By 0; Article in Press
Keywords: 2-Amino-N�-arylbenzohydrazide; 2-Nitrobenzaldehyde; Copper-catalyzed; Indazolo3, 2-bquinazolinones; Intramolecular cyclization
Subjects: Environmental health
Divisions: Education Vice-Chancellor Department > Faculty of Health > Department of Environmental Health Engineering
Depositing User: دکتر مهری غلامی
URI: http://eprints.abzums.ac.ir/id/eprint/2659

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