Citation:
Ramin Rezaei, Leila Dorosty, Maryam Rajabzadeh, Reza Khalifeh. Melamine-formaldehyde resin supported H+:A mild and inexpensive reagent for synthesis of coumarins under mild conditions[J]. Chinese Chemical Letters,
;2011, 22(11): 1313-1316.
doi:
10.1016/j.cclet.2011.06.009
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Melamine-formaldehyde resin supported H+ is used as an efficient catalyst in the Pechmann condensation reaction of phenols with β-ketoesters, in solvent-free media leading to the formation of coumarin derivatives using conventional heating and microwave irradiation in excellent yields with good purity.
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