REACTION OF AROMATIC o-DIAMINES WITH ISATINS. 2. 2,3-DIAMINONAPHTHALENE
The reaction of 2,3-diaminonaphthalene with isatins gives a mixture of idolobenzoquinoxalines, 3-(2-aminophenyl)-2(1H)-benzoquinoxalines, and spiro(2,3-d>imidazoline)-2,3'-indolin-2'ones.The ratio between the products is influenced by the sol