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Brønsted Acidic Phosphonium Based Ionic Liquid Functionalized SBA-۱۵ [HO۳S-PhospIL@SBA-۱۵]: Green, Recyclable, and Efficient Catalyst for the Synthesis of Pyrano[۳,۲-c]Chromenone Derivatives

محل انتشار: Iranian Journal of Chemistry and Chemical Engineering، دوره: 34، شماره: 4
سال انتشار: 1394
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 116

فایل این مقاله در 7 صفحه با فرمت PDF قابل دریافت می باشد

استخراج به نرم افزارهای پژوهشی:

لینک ثابت به این مقاله:
https://civilica.com/doc/2282795

شناسه ملی سند علمی:

JR_IJCCE-34-4_003

تاریخ نمایه سازی: 17 خرداد 1404

چکیده مقاله:

The surface of SBA-۱۵ was modified by diphenylphosphine; then, it was treated with butane sultone and sulfuric acid to obtain Brønsted acid HO۳S-phosphonium based ionic liquid functionalized SBA-۱۵ with HSO۴- as a counteranion. It efficiently catalyzed synthesis of pyrano[۳,۲-c]chromenone derivatives through the reaction of ۴-hydroxycoumarin and chalcones at ۶۰ °C in water/ethanol. Good yields, mild reaction conditions, and user-friendly procedure are advantages of this method. Also, the catalyst could be easily separated and reused five times without significant reduction of activity.

کلیدواژه ها:

Chalcones ، Functionalized SBA-۱۵ ، ۴-Hydroxycoumarin ، Pyrano[۳ ، ۲-c]chromenones ، Supported ionic liquid

نویسندگان

Mina Saeedi

Medicinal Plants Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, I.R. IRAN

Mohammad Jeiroudi

Department of Chemistry, Tehran-North Branch, Islamic Azad University, Zafar St, Tehran, I.R. IRAN

Leila Ma’mani

Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, I.R. IRAN

Mohammad Mahdavi

Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, I.R. IRAN

Eskandar Alipour

Department of Chemistry, Tehran-North Branch, Islamic Azad University, Zafar St, Tehran, I.R. IRAN

Abbas Shafiee

Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, I.R. IRAN

Ali Reza Foroumadi

Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, I.R. IRAN

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