942029-54-1Relevant articles and documents
Br?nsted acidic ionic liquid-catalyzed tandem reaction: An efficient approach towards regioselective synthesis of pyrano[3,2-: C] coumarins under solvent-free conditions bearing lower E-factors
Mahato, Sachinta,Santra, Sougata,Chatterjee, Rana,Zyryanov, Grigory V.,Hajra, Alakananda,Majee, Adinath
, p. 3282 - 3295 (2017)
1-Butane sulfonic acid-3-methylimidazolium tosylate, [BSMIM]OTs, is found to be a remarkable catalyst for the tandem cyclization of 4-hydroxycoumarin with chalcones for the syntheses of pyrano[3,2-c]coumarins under solvent-free conditions. The developed p