Melamine-formaldehyde resin supported H^+:A mild and inexpensive reagent for synthesis of coumarins under mild conditions
Melamine-formaldehyde resin supported H^+:A mild and inexpensive reagent for synthesis of coumarins under mild conditions
摘要
Melamine-formaldehyde resin supported H~＋ is used as an efficient catalyst in the Pechmann condensation reaction of phenols withβ-ketoesters,in solvent-free media leading to the formation of coumarin derivatives using conventional heating and microwave irradiation in excellent yields with good purity.
Melamine-formaldehyde resin supported H~＋ is used as an efficient catalyst in the Pechmann condensation reaction of phenols withβ-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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