One-pot multicomponent reaction for the synthesis of 2-amino-4-chromenes promoted by 1-methyl imidazoliumiodide [mim]Cl ionic- liquid catalyst under solvent-free conditions

Poor Heravi, Mohammad Reza; Amirloo, Mohammad

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	One-pot multicomponent reaction for the synthesis of 2-amino-4-chromenes promoted by 1-methyl imidazoliumiodide [mim]Cl ionic- liquid catalyst under solvent-free conditions
Iranian chemical communication
مقاله 8، دوره 3، Issue 1, pp. 1-71, Serial No.6، فروردین 2015، صفحه 62-71 اصل مقاله (733.65 K)
نوع مقاله: Original Research Article
نویسندگان
Mohammad Reza Poor Heravi^* ¹؛ Mohammad Amirloo²
¹Department of Chemistry, Payame Noor University, Abhar, Iran
²Department of Chemistry, Payame Noor University, PB BOX 19395-4697 Tehran, Iran
چکیده
A simple, clean, and environmentally benign three-component process for the synthesis of 2-amino-4Hchromenes using [mim]Cl, as an efficient catalyst under solvent-free conditions are described. A wide range of aromatic aldehydes easily undergoes condensations with 1-naphthol and malononitrile under solvent-free conditions to afford the desired products of good purity in excellent yields. Taking into account environmental and economical considerations, the protocol presented here has the merits of environmentally benign, simple operation, convenient work-up and good yields. Furthermore, the catalyst can be easily recovered and reused for at least five cycles without losing its activities. A simple, clean, and environmentally benign three-component process for the synthesis of 2-amino-4Hchromenes using [mim]Cl, as an efficient catalyst under solvent-free conditions are described. A wide range of aromatic aldehydes easily undergoes condensations with 1-naphthol and malononitrile under solvent-free conditions to afford the desired products of good purity in excellent yields. Taking into account environmental and economical considerations, the protocol presented here has the merits of environmentally benign, simple operation, convenient work-up and good yields. Furthermore, the catalyst can be easily recovered and reused for at least five cycles without losing its activities.
کلیدواژه‌ها
Chromene؛ multicomponent reactions؛ 1-methyl imidazoliumiodide [mim]Cl؛ solvent-free conditions

مراجع
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One-pot multicomponent reaction for the synthesis of 2-amino-4-chromenes promoted by 1-methyl imidazoliumiodide [mim]Cl ionic- liquid catalyst under solvent-free conditions