عنوان
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Tetrakis(acetonitrile)copper(I) Hexafluorophosphate as an Efficient Catalyst for the Synthesis of Triazolo[1,2-a]indazole-1,3,8-trione and 2Hindazolo[2,1-b]phthalazine-trione Derivatives
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نوع پژوهش
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مقاله چاپشده در مجلات علمی
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کلیدواژهها
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2H-Indazolo[2,1-b]phthalazine-trione, dimedone, phthalhydrazide, tetrakis(acetonitrile)copper(I)hexafluorophosphate, triazolo[1,2-a]indazole-1,3,8-trione, urazole.
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چکیده
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Tetrakis(acetonitrile)copper(I) hexafluorophosphate, [Cu(CH3CN)4]PF6, was explored as an efficient catalyst to promote the three-component reaction of aryl aldehydes, dimedone and urazole or phthalhydrazide to afford the corresponding triazolo[1,2-a]indazole-1,3,8-trione and 2H-indazolo[2,1-b]phthalazine-trione derivatives respectively in high yields. The reactions were conducted at 80-100 ºC under solvent-free conditions. The catalyst was easily prepared from available and inexpensive materials and was quantitatively recovered from the reaction by simple filtration and reused for a number of cycles with almost consistent activity.
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پژوهشگران
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سعدی صمدی (نفر پنجم)، فاطمه سامری (نفر چهارم)، زهرا اکرمی (نفر سوم)، راضیه نجات یامی (نفر دوم)، داوود آذریفر (نفر اول)
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