Functionalized Magnetic Nanocatalysts Based on Tris-(Hydroxy methyl)amino methane/Triazine as a new inorganic/organic hybrid catalyst for Synthesis of 3,4- dihydropyrano[c]chromene derivatives
محل انتشار: بیست و یکمین سمینار شیمی معدنی انجمن شیمی ایران
سال انتشار: 1398
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 432
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شناسه ملی سند علمی:
IICC21_240
تاریخ نمایه سازی: 5 آذر 1398
چکیده مقاله:
The preparation and the use of inorganic/organic hybrid nanoparticles (HNPs) in organic synthesis has become a subject of intense investigation. In particular, functionalized magnetic nanoparticles (MNPs) which offer advantages in clean and sustainable chemistry as they can be non-toxic, readily available, and recoverable.1 Dihydropyrano[c]chromenes and their derivatives possess a wide range of biological properties such as anti-cancer, anticoagulant, diuretic, and anti-anaphylactic activities.2 Therefore, as the importance of these compounds, recently, design of novel nano hybrid catalysts magnetically separable in synthesis of these compounds have been attracted attention.In this work, mixture of several aromatic aldehydes (1mmol), malononitrile (1mmol) and 4-hydroxycoumain(1mmol) in around bottom flask and catlyst (0.02 g) were stirred at room temperature and solvent free conditions for required time. After completion of reaction, the catalyst easily collected by a magnet to be reused in subsequent reactions [1-3]. The obtained products were recrystallized in ethanol and characterized by 1HNMR, IR and 13CNMR.
نویسندگان
Fatemeh Afsharnadery
Department of Chemistry, Faculty of Sciences, Arak University, Arak ۳۸۱۵۶-۸۸۳۴۹, Iran
Kaveh Khosravi
Department of Chemistry, Faculty of Sciences, Arak University, Arak ۳۸۱۵۶-۸۸۳۴۹, Iran
Mohammad Ali Zolfigol
Department of Chemistry, Faculty of Sciences, Arak University, Arak ۳۸۱۵۶-۸۸۳۴۹, Iran