ChemInform Abstract: Synthesis of Novel 2H, 8H‐Pyrano[2, 3‐f]chromene‐2, 8‐diones from 8‐Formyl‐7‐hydroxy‐4‐methylcoumarin. Issue 1 (7th January 2014) - Al‐Kawkabani, Ahmed
Abstract The synthesis of 8‐formyl‐7‐hydroxy‐4‐methylcoumarin (III) is developed and the condensation with various activated methylene compounds is demonstrated.