Herstellung der 1H-Indazole durch Photolyse von 2-Aminophenylketon-O-(aethoxycarbonyl)oximen und von 3,1,4-Benzoxadiazepin-2(1H)-onen

Article abstract of DOI:10.1002/hlca.19820650317

Irradiation of (E)- and (Z)-O-(ethoxycarbonyl)oximes 1 of 2-aminophenyl ketones in solution with UV. and/or visible light gives 1H-indazole derivatives 2 in high yields (Scheme 1).For this reaction the amino group must be un- or monosubstituted.With the N