One-step Synthesis of 3,4-Dihydrobenzimidazo[2,1-<Emphasis Type="Italic">b</Emphasis>]quinazolin-1(2<Emphasis Type="Italic">H</Emphasis>)-ones in an Ionic Liquid |
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| Authors: | Ahmad Shaabani Abbas Rahmati Elham Farhangi Ali Hossein Rezayan |
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| Institution: | (1) Department of Chemistry, Shahid Beheshti University, Tehran, Iran |
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| Abstract: | Summary. A novel class of 3,4-dihydrobenzimidazo2,1-b]quinazolin-1(2H)-ones was synthesized in very short reaction times with good yields in the presence of 3-butyl-1-methyl imidazolium bromide
as a room temperature ionic liquid at 120°C. The ionic liquid can be recycled for subsequent reactions without any loss of
efficiency. |
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| Keywords: | , Orthoester, Cyclic β,-diketone, Quinazoline, 2-Aminobenzimidazole, Ionic liquid, |
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