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Unexpected Knoevenagel self-condensation reaction of tetronic acid: synthesis of a new class of organic heterocyclic salts |
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| Authors: | Ahmad Shaabani Afshin Sarvary Sajjad Keshipour Ali Hossein Rezayan Rahim Ghadari |
| Affiliation: | Department of Chemistry, Shahid Beheshti University, PO Box 19396-4716, Tehran, Iran |
| Abstract: | A new class of pyridinium, quinolinium, isoquinolinum, and N-methylimidazolium-3-(2,5-dihydro-5-oxofuran-3-yl)-4-hydroxyfuran-2(5H)-one salts have been prepared in high yields by reacting pyridine, quinoline, isoquinoline, N-methylimidazole, 1,4-diazabicyclo[2.2.2]octane, and their derivatives with tetronic acid in CH2Cl2. |
| Keywords: | Organic heterocyclic salts Tetronic acid Knoevenagel condensation Multicomponent condensation reactions |
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