4<i>H</i>-Benzo[<i>d</i>][1,3]oxazin-4-ones and Dihydro Analogs from Substituted Anthranilic Acids and Orthoesters

A one-pot route to 2-alkyl and 2-aryl-4<i>H</i>-benzo[<i>d</i>][1,3]oxazin-4-ones (also known as 4<i>H</i>-3,1-benzoxazin-4-ones) has been developed and studied. The method involves the reaction of aryl-substituted anthranilic acids with orthoesters in ethanol cat...

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Bibliographic Details
Main Authors: Joel K. Annor-Gyamfi, Richard A. Bunce
Format: Article
Language:English
Published: MDPI AG 2019-10-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/24/19/3555