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Title
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Tandem Knoevenagel–Michael–cyclocondensation reaction of malononitrile, various aldehydes and 2-naphthol over acetic acid functionalized ionic liquid
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Type
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JournalPaper
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Keywords
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2-Amino benzo[h]chromenes Acetic acid functionalized ionic liquid Malononitrile Dimedone Aldehyde Solvent-free
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Abstract
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An efficient solvent-free approach for the synthesis of 2-amino benzo[h]chromene derivatives from the condensation of malononitrile, 2-naphthol and various aldehydes using acetic acid functionalized imidazolium salt (1-carboxymethyl-3-methylimidazolium bromide {[cmmim]Br} as a reusable catalysts is reported. In addition, thermal gravimetric analysis (TGA), differential thermal gravimetry (DTG), powder X-ray diffraction (PXRD) and calculation of size and inter planer distance of the catalyst have been studied in this work.
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Researchers
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hendrik G kruger (Not In First Six Researchers), Mohammad Hassan Beyzavi (Not In First Six Researchers), Majid Darestani farahani (Fifth Researcher), (Fourth Researcher), omid Khaledian (Third Researcher), ma z (Second Researcher), ahmad reza moosavi-zare (First Researcher)
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