Journal of Organic Chemistry p. 2787 - 2789 (1986)
Update date:2022-08-04
Topics:
Wamhoff, Heinrich
Schupp, Winfried
Upon treatment with ethyl propiolate (2a), cyanoacetylene (2b), and tetracyanoethylene (5) the 6-<(triphenylphosphoranylidene)amino>uracil 1 undergoes Michael addition to afford the 5-adducts 4a,b and 8.However, with diethyl azodicarboxylate Michael attac
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