پديد آورنده :
تولايي، حامد
عنوان :
استفاده از مايع هاي يوني كولين كلرايد2 ﴿ZnCl2﴾ وN -متيل پيروليدونيوم هيدروژن سولفات به عنوان كاتاليزورهاي سبز در سنتز چند جزئي 6-آمينو-4-آلكيل/آريل-3-متيل-2، 4- دي هيدروپيرانو [3،2-c] پيرازول-5-كربونيتريل ها
مقطع تحصيلي :
كارشناسي ارشد
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده شيمي
صفحه شمار :
سيزده، 66ص.: مصور، نمودار
يادداشت :
ص.ع. به فارسي و انگليسي
استاد راهنما :
عبدالرضا حاجي پور
استاد مشاور :
عبدالحسين دباغ
توصيفگر ها :
واكنش هاي حالت جامد , مالونونيتريل , اتيل استواستات , هيدرازين هيدرات
تاريخ نمايه سازي :
1/11/91
استاد داور :
امير عبدالملكي، عليرضا نجفي
تاريخ ورود اطلاعات :
1396/09/22
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
67 Application of ionic liquids as green catalysts for the multi component synthesis of 6 amino 4 alkyl aryl 3 methyl 2 4 dihydropyrano 2 3 c pyrazole 5 carbonitriles Hamed Tavallaei hamedtavallaei@gmail com Octber 2 2012 Department of Chemistry Isfahan University of Technology 84156 83111 Isfahan Iran Prof A R Hajipour Email haji@cc iut ac ir Isfahan University of Technology 84156 83111 Isfahan Iran Abstract Herein the synthesis of an inexpensive and biodegradable Lewis acidic ionic liquid by using choline chloride and ZnCl2 and its application in the synthesis of 6 amino 4 alkyl aryl 3 methyl 2 4 dihydropyrano 2 3 c pyrazole 5 carbonitriles is reported In this reaction various aldehydes were reacted with malononitrile ethyl acetoacetate and hydrazine hydrate to afford the corresponding products in high yields All of the reactions were carried out in both room temperature and in 90 C The advantage of this ionic liquid was its application for acid sensitive heterocycles which yielded the corresponding 6 amino 4 alkyl aryl 3 methyl 2 4 dihydropyrano 2 3 c pyrazole 5 carbonitriles without any by products In the second project N methyl 2 pyrrolidonum hydrogen sulfate H NMP HSO4 was synthezised and its application as an acidic catalyst with high acid strength for synthesis of 6 amino 4 alkyl aryl 3 methyl 2 4 dihydropyrano 2 3 c pyrazole 5 carbonitriles was investigated Various aldehydes were reacted with malononitrile ethyl acetoacetate and hydrazine hydrate to afford the corresponding products in high yields All of the reactions were done under both room temperature and 90 C conditions Keywords Ionic liquid Solid state reactions 6 amino 4 alkyl aryl 3 methyl 2 4 dihydropyrano 2 3 c pyrazole 5 carbonitriles Choline chloride N methyl 2 pyrrolidonum hydrogen sulfate Malononitrile Ethyl acetoacetate Hydrazine hydrate
استاد راهنما :
عبدالرضا حاجي پور
استاد مشاور :
عبدالحسين دباغ
استاد داور :
امير عبدالملكي، عليرضا نجفي
