A Davoodnia, R Zhiani, N Tavakoli-Hoseini - Monatshefte für Chemie …, 2008 - Springer
Abstract Starting from 1, 5-dihydro-4 H-pyrazolo [3, 4-d] pyrimidin-4-ones, a synthesis
pathway to the tricyclic pyrazolo [4, 3-e][1, 2, 4] triazolo [4, 3-c] pyrimidines is described …