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Silica supported sodium hydrogen sulfate and Indion 190 resin: An efficient and heterogeneous catalysts for facile synthesis of bis-(4-hydroxycoumarin-3-yl) methanes
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نویسنده
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padalkar v. ,phatangare k. ,takale s. ,pisal r. ,chaskar a.
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منبع
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journal of saudi chemical society - 2015 - دوره : 19 - شماره : 1 - صفحه:42 -45
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چکیده
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4-hydroxy coumarin on electrophilic substitution reaction with carbonyl compound in the presence of heterogeneous catalysts (nahso4·sio2/indion 190 resin) offers bis-(4-hydroxycoumarin-3-yl) methanes in good to excellent yields. © 2011.
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کلیدواژه
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4-Hydroxycoumarin; Aldehyde; Biscoumarinyl methanes; Heterogeneous catalysis; Indion 190 resin; NaHSO4·SiO2
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آدرس
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institute of chemical technology,matunga, India, institute of chemical technology,matunga, India, c. k. thakur research centre, India, c. k. thakur research centre, India, department of chemistry,national taiwan university, Taiwan
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Authors
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