Ultrasound-promoted regio and chemoselective synthesis of pyridazinones and phthalazinones catalyzed by ionic liquid [bmim]Br/AlCl₃

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• 作者：Leila Zare^a ; ^b ; Nosrat Ollah Mahmoodi^a ; ^{mahmoodi@guilan.ac.ir} ; Asieh Yahyazadeh^a ; Mohammad Nikpassand^c
• 关键词：Pyridazinone ; Phthalazinone ; Arene ; Cyclic anhydride ; [bmim]Br/AlCl3
• 刊名：Ultrasonics Sonochemistry
• 出版年：2012
• 期刊代码：81_13504177
• 类别：ph
• 出版时间：July, 2012
• 卷：19
• 期：4
• 页码：740-744
• 文件大小：408 K

摘要

The first ultrasound-promoted multicomponent synthesis of pyridazinones and phthalazinones from arenes, cyclic anhydrides and ArNHNH₂ in the presence of an efficient recyclable catalyst, [bmim]Br/AlCl₃, in high yield and short reaction time is reported.