Hossein Behmadi

Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, Iran

[ 1 ] - A Four Components, One-Pot Synthesis of New Imidazole Molecular Tweezers Based on 2,4,6-Triarylpyridine as Hinge Region

In the present study, some new bis-imidazole derivatives have been prepared through four-components condensation of 2,6-bis (4-aminophenyl)-4-p-tolylpyridine, benzaldehyde derivatives, benzil and ammonium acetate in presence of acetic acid. The present methodology offers several advantages such as good yields, simple procedure, milder conditions and the possibility of introducing a v...

[ 2 ] - سنتز ناحیه گزین مشتقهای دی هیدرو بنزوفورو [b-3 ,2] بنزوفوران از واکنش فنولها و گلی اُکسال با استفاده از یک مایع یونی اسید برونستد

واکنش 2-نفتول و همچنین فنول های دارای استخلاف در موضع پارا با گلی اُکسال در حضور مایع یونی اسید برونستد، 1-(4-سولفونیل بوتیل)پیریدینیوم هیدروژن ولفات[Py(CH2)4SO3H][HSO4] به عنوان کاتالیست مورد مطالعه قرار گرفت. نوع حلال، مقدار کاتالیست، دما و زمان بر روی بازده واکنش بررسی شد و مشخص شد که شرایط بهینه برای ا...

[ 3 ] - Choline chloride: 2 ZnCl2 catalyzed efficient one-pot regioselective synthesis of dihydrobenzofuro[2,3-b]benzofuran

The reaction of 2-naphthol and also para-substituted phenols with glyoxal in presence of choline chloride: 2 ZnCl2 [ChCl: 2ZnCl2], a deep eutectic solvent (DES), as a green catalyst was studied. The amount of catalyst, solvent type, temperature, and time on the yield of reaction were investigated. It was found that the optimal condition included 10% mol ratio of catalyst (mol percentage of DES ...