Publication: Eco-friendly H₂O₂ oxidation of 1,2-dihydroquinazoline-3-oxides to quinazoline-3-oxides
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Date
2021-06-03
Authors
Authors
Samandram, Rashinikumar
Çetin Korukçu, Meliha
Coskun, Necdet
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Publisher
Taylor & Francis
Abstract
2-Aminobenzaldehyde, 1-(2-aminophenyl)ethanone, and 2-aminophenyl phenyl methanone oximes 1 were reacted with aromatic aldehydes to give the corresponding 1,2-dihydroquinazoline-3-oxides 2. The latter were converted in high yields to a series of quinazoline-3-oxides 3 using an environmentally benign H₂O₂-tungstate oxidant system at room temperature. A high yielding one-pot procedure was also developed for the synthesis of compounds 3.
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Keywords
Ring-chain tautomerism, Photochemistry, Quinoline, 1,2-dihydroquinazoline-3-oxide, H₂O₂ oxidation, N-oxides, Quinazoline, Quinazoline-3-oxide, Chemistry
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