Synthesis of a novel purine-containing heterocyclic ring system: 8,10-Dimethylindolo[2′,3′:5,6][1,2,4]triazino[4,3-<i>f</i>]purine-9,11(8<i>H</i>, 10<i>H</i>, 13<i>H</i>)-dione
作者:Antonio Da Settimo、Giampaolo Primofiore、Federico Da Settimo、Francesca Simorini、Anna Maria Marini、Concettina La Motta、Sabrina Taliani
DOI:10.1002/jhet.5570370223
日期:2000.3
The preparation of a novel purine containing heterocyclic ring system, indolotriazinopurine, by the condensation of 8-hydrazinotheophylline with 5-substituted isatins via the intermediate hemiaminal and hydrazone derivatives, is described.