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Title
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Friedel–Crafts synthesis of triarylmethanes over 3-methyl-1-sulfonic acid imidazolium tetrachloroaluminate under green conditions
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Type
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JournalPaper
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Keywords
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Triarylmethane, Sulfonic acid functionalized Imidazolium salt (SAFIS), 3-Methyl-1-sulfonic acid imidazoliumtetrachloroaluminate {[Msim]AlCl4}, Solvent-free.
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Abstract
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In this work, Friedel–Crafts (FC) alkylation of various arenes with aromatic aldehydes catalyzed by 3-methyl-1-sulfonic acid imidazoliumtetrachloroaluminate {[Msim]AlCl4}, to prepare triarylmethanes (TAMs) has been carried out. Some aromatic aldehydes were reacted with arenes containing electron-donor substitutions such as anisole, veratrole, phenols, indole and 2- naphtole under solvent-free conditions. The catalyst was recovered and reused successfully for four times. Simple methodology, easy work up, solvent-free condition and excellent yields are some advantages of this work
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Researchers
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First-Name Last-Name (Third Researcher), ma z (Second Researcher), (First Researcher)
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