Helvetica Chimica Acta p. 669 - 672 (1983)
Update date:2022-08-05
Topics:
Hengartner, Urs
Muller, Jean-Claude
Ramuz, Henri
Thermal cyclization of the pyrimidine-N-oxide dicarbamate 2 gives a 95:5 mixture of the 2-oxo-2H-<1,2,4>oxadiazolo<2,3-a>- and <2,3-c>pyrimidinecarbamates 3 and 4.An efficient procedure for the conversion of 3 to 4, and vice versa, is described.
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Doi:10.1134/S1070427217070126
(2017)Doi:10.1021/je00031a036
(1983)Doi:10.1055/s-1982-29884
(1982)Doi:10.1021/ja01339a055
(1933)Doi:10.1016/S0020-1693(00)93517-5
(1982)Doi:10.1021/jo00178a014
(1984)
