作者: Mohammad Ali Zolfigol , Ahmad Reza Moosavi-Zare , Mahmoud Zarei
DOI: 10.1016/J.CRCI.2014.03.002
关键词:
摘要: Abstract A green, simple and efficient synthesis of bis-coumarin derivatives via the condensation 4-hydroxycoumarin with arylaldehydes using sulfonic-acid-functionalized pyridinium chloride {[Pyridine–SO3H]Cl} as a new, homogeneous reusable catalyst ionic liquid is reported.