Regioselective synthesis of pyridoquinolones and pyridocoumarins via molecular iodine-mediated 6-endo-dig electrophilic cylization |
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| Authors: | KC Majumdar Inul AnsarySrikanta Samanta Brindaban Roy |
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| Institution: | Department of Chemistry, University of Kalyani, Kalyani 741 235, W.B., India |
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| Abstract: | Angular-pyridoquinolone and pyridocoumarin derivatives have been efficiently synthesized in 60-95% yields by molecular iodine-mediated cyclization of easily available starting materials, 6-(N-propargyl)amino quinolone and coumarin derivatives, in the presence of NaHCO3. The reaction was carried out at room temperature. |
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| Keywords: | Molecular iodine Pyridoquinolone Pyridocoumarin Sonogashira coupling 6-endo-dig |
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