1990 Volume 38 Issue 12 Pages 3491-3493
The chemiluminescent products formed from α-keto acids and 4, 5-diaminophthalhydrazide dihydrochloride were characterized as corresponding 3-substituted-7, 8-dihydropyridazino[4, 5-g]quinoxaline-2, 6, 9(1H)-trione. The chemiluminescence properties of the products are described.