Melamine-formaldehyde resin supported H^+:A mild and inexpensive reagent for synthesis of coumarins under mild conditions  

作　　者：Ramin Rezaei Leila Dorosty Maryam Rajabzadeh Reza Khalifeh 

机构地区：[1]Department of Chemistry Firoozabad Branch,Islamic Azad University,P.O.Box 74715-117 Firoozabad,Iran [2]Department of Chemistry Faculty of Basic Sciences,Shiraz,University of Technology,Shiraz,71555-313,Iran

出　　处：《Chinese Chemical Letters》2011年第11期1313-1316,共4页中国化学快报（英文版）

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.

关 键 词：COUMARINS PHENOLS β-Ketoesters Melamine-formaldehyde resin Pechmann condensation SOLVENT-FREE 

分 类 号：O631.3[理学—高分子化学]