CHEMOSELECTIVE OXIDATION OF 1,4-DIHYDROPYRIDINES WITH [NO⁺.CROWN.H(NO₃)₂⁻]

Mohammad Ali Zolfigol Chemistry Department, College of Science, Bu-Ali Sina University, Hamadan, 65174, I.R. IranCorrespondence[email protected]

Mohammad Hassan Zebarjadian Chemistry Department, College of Science, Bu-Ali Sina University, Hamadan, 65174, I.R. Iran

Majid M. Sadegh Chemistry Department, College of Science, Isfahan University, Isfahan, Iran

Iraj Mohammadpoor-Baltork Chemistry Department, College of Science, Isfahan University, Isfahan, Iran

Hamid Reza Memarian Chemistry Department, College of Science, Isfahan University, Isfahan, Iran

Mojtaba Shamsipur Chemistry Department, College of Science, Razi University, Kermanshah, Iran

Abstract

An ionic complex has been obtained from N₂O₄ in the presence of the macrocyclic ether 18-crown-6. This crystalline compound was used as an effective oxidizing agent for the oxidation of dihydropyridines to their corresponding pyridine derivatives at room temperature with excellent yields.

ACKNOWLEDGMENTS

Financial support for this work by the research office, Bu-Ali Sina University, Hamadan, Iran, is gratefully acknowledged.

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CHEMOSELECTIVE OXIDATION OF 1,4-DIHYDROPYRIDINES WITH [NO⁺.CROWN.H(NO₃)₂⁻]

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CHEMOSELECTIVE OXIDATION OF 1,4-DIHYDROPYRIDINES WITH [NO+.CROWN.H(NO3)2−]

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CHEMOSELECTIVE OXIDATION OF 1,4-DIHYDROPYRIDINES WITH [NO⁺.CROWN.H(NO₃)₂⁻]