Efficient One‐Pot Synthesis of Bis(4‐hydroxycoumarin)methanes in the Presence of Sulfonic Acid Functionalized Nanoporous Silica (SBA‐Pr‐SO3H) |
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| Authors: | Ghodsi Mohammadi Ziarani Alireza Badiei Masoomeh Azizi Negar Lashgari |
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| Institution: | 1. Department of Chemistry, Alzahra University, P.O. Box 1993891176, Tehran, Iran;2. School of Chemistry, College of Science, University of Tehran, P.O Box 14155‐6455, Tehran, Iran |
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| Abstract: | An efficient and simple method for the synthesis of bis(4‐hydroxycoumarin)methanes has been achieved through a one‐pot condensation of aryl aldehydes and 4‐hydroxycoumarin in the presence of nanoporous solid acid catalyst of SBA‐Pr‐SO3H with pore size of 6 nm. Excellent yields, short reaction times, reusability of the catalyst and simple workup are advantages of this synthetic procedure. |
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| Keywords: | Bis(4‐hydroxycoumarin)methanes Nanocatalyst Sulfonic acid functionalized SBA‐15 |
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