Research on Chemical Intermediates p. 4097 - 4107 (2016)
Update date:2022-08-30
Topics:
Rezayati, Sobhan
Sheikholeslami-Farahani, Fatemeh
Rostami-Charati, Faramarz
Abad, Saeid Afshari Sharif
Pechmann condensation reaction of 3-hydroxyphenol and ethyl acetoacetate in the presence of 1,1′‐butylenebispyridinium hydrogen sulfate as an efficient, green, and recyclable catalyst produces 7-hydroxy-4-methylcoumarin in good yield under solvent-free conditions at room temperature. This catalyst has advantages such as the following: good to excellent yields, short reaction times, simplicity in operation, and easy workup procedure.
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