3 years ago

Bronsted 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

Bronsted 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
Rana Chatterjee, Sougata Santra, Adinath Majee, Grigory V. Zyryanov, Sachinta Mahato, Alakananda Hajra
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.

Publisher URL: http://feeds.rsc.org/~r/rss/GC/~3/f88ePQsLfTM/C7GC01158J

DOI: 2017/GC/C7GC01158J

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