Single-step synthesis of 4-phenyl and 3, 4-dihydro-4-phenyl coumarins using a recyclable Preyssler heteropolyacid catalyst under solvent-free reaction conditions
AM Escobar, DM Ruiz, JC Autino… - Research on Chemical …, 2015 - Springer
Phenyl and 3, 4-dihydro-4-phenylcoumarins were prepared by direct esterification of
phenols with phenylpropiolic and cinnamic acids, respectively, using a compound with …
phenols with phenylpropiolic and cinnamic acids, respectively, using a compound with …
Single-step synthesis of 4-phenyl and 3, 4-dihydro-4-phenyl coumarins using a recyclable Preyssler heteropolyacid catalyst under solvent-free reaction conditions
4-Phenyl and 3, 4-dihydro-4-phenylcoumarins were prepared by direct esterification of
phenols with phenylpropiolic and cinnamic acids, respectively, using a compound with …
phenols with phenylpropiolic and cinnamic acids, respectively, using a compound with …