Tetrahedron Letters p. 6363 - 6366 (1987)
Update date:2022-07-30
Topics:
McFarlane, Michael D.
Smith, David M.
Reactions of N-(o-nitroaryl)sarcosine esters with bases give 1-hydroxy-4-methyl-quinoxaline-2,3-diones as the principal products; the corresponding reactions of N-(3-nitro-2-pyridyl)sarcosine esters give 1-hydroxy-4-methylpyrido<2,3-b>pyrazine-2,3-diones.The significance of these results, in relation to a general mechanism for nitro-group condensations, is discussed.
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