The synthesis of a variety of disubstituted pyridine-2,6(1H,5H)-diones is described. The i.r. spectra of 21 such compounds have been recorded and are analysed in the region 1640–1770 cm–1; they all showed a three-band system. The u.v. and n.m.r. spectral data are discussed.
H. N. Al-Jallo and F. H. Al-Hajjar, J. Chem. Soc. C, 1971, 3916 DOI: 10.1039/J39710003916
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