Synthesis of 3,4-Dihydropyrano[c]Chromene Derivatives Using Sulfonic Acid Functionalized Silica (SiO2PrSO3H)
نویسندگان
چکیده مقاله:
3,4-ِDihydropyrano[c]chromene derivatives were synthesized using sulfonic acid functionalized silica (SiO2-Pr-SO3H) as a highly efficient heterogenous solid acid catalyst via one-pot three-component condensation of aromatic aldehydes with malononitrile and 4-hydroxycoumarin in excellent yields.
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ورودمنابع مشابه
synthesis of 3,4-dihydropyrano[c]chromene derivatives using sulfonic acid functionalized silica (sio2prso3h)
3,4-ِdihydropyrano[c]chromene derivatives were synthesized using sulfonic acid functionalized silica (sio2-pr-so3h) as a highly efficient heterogenous solid acid catalyst via one-pot three-component condensation of aromatic aldehydes with malononitrile and 4-hydroxycoumarin in excellent yields.
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عنوان ژورنال
دوره 30 شماره 2
صفحات 59- 65
تاریخ انتشار 2011-06-01
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