Molecular Orbital Calculations for Azaquinonoid-Ketene and Analysis of the Intramolecular Cycloaddition with the N,N-Dimethylanilino Group
Intramolecular cycloaddition of azaquinonoid-ketene (4) generated from benzotriazinone derivative to N,N-dimethylanilino group afforded "unrearranged" acridone in sharp contrast to a carbon analog series (1).Molecular orbital calculations and conformation