مشخصات پژوهش

صفحه نخست /Combining ethylenediamine and ...
عنوان Combining ethylenediamine and ionic liquid functionalities within SBA-15: A promising catalytic pair for tandem Cu–AAC reaction
نوع پژوهش مقاله چاپ‌شده در مجلات علمی
کلیدواژه‌ها Click chemistry Triazole synthesis Cu–AAC Green chemistry Heterogeneous catalysis Aqueous medium
چکیده This paper discloses the assembly and characterization of an advanced heterogeneous catalyst formulated as CuI@SBA-15/PrEn/ImPF6. It is based on a mesoporous silica SBA-15 skeleton which bears a supported ethylenediamine/CuI complex and covalently anchored imidazolium/PF6 ionic liquid. This catalyst was successfully applied in tandem methods for triazole synthesis starting from different substrate pairs: aryl halides and aryl acetylenes (method A), arylboronic acids and aryl acetylenes (method B). The CuI@SBA-15/PrEn/ImPF6 catalyst showed high activity (up to 90% yields of triazole products under optimized reaction conditions), high stability and no appreciable leaching of CuI owing to its strong binding via the coordination with PrEn functionality. Therefore, the catalyst can be recycled for several consecutive runs (7–14 cycles) in this new synthetic method. For both methods A and B, specific types of green approaches were developed and the favorable products were produced in high yields.
پژوهشگران الکساندر کیریلو (نفر ششم به بعد)، قدرت محمودی (نفر پنجم)، صادق رستم نیا (نفر چهارم)، مارینا کیریلوا (نفر سوم)، اسماعیل دوستخواه (نفر دوم)، حبیب گلچین حسینی (نفر اول)