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Communication | Regular issue | Vol 12, No. 2, 1979, pp.227-230
Published online, 1st January, 1970
DOI: 10.3987/R-1979-02-0227
A Facile Method for the Preparation of 4-Nitropyridine and -quinoline Derivatives: Reduction of Aromatic Amine N-Oxides with Trimethylphosphite under Irradiation

Chikara Kaneko,* Atsushi Yamamoto, and Michiko Gomi

*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan


Irradiation (> 300 nm) of pyridine and quinoline 1-oxides having a nitro group at the 4-position in dichloromethane containing trimethylphosphite of relatively high concentration (> 10-2mol/l) resulted in an almost quantitative formation of the deoxygenated products.