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This review describes the synthesis and reactions of pyridine N-oxides within the last ten years.The first part surveys the different synthetic methods which include ring transformation, classical oxidations using peracids, the use of metalloorganic oxidizing agents and cycloaddition reactions.The second part surveys the reactions of pyridine N-oxides including the deoxygenation, nucleophilic reaction and cycloaddition to N-O bond.
Shaker Youssif (Tue,) studied this question.