
Tetrahedron Letters p. 2909 - 2912 (1984)
Update date:2022-08-03
Topics:
Franck-Neumann, M.
Miesch, M.
The photolysis of different nitro 3H-pyrazoles, obtained indirectly from nitroethylenes, is studied.Inter and intramolecular processes to stabilization are observed with conservation of the nitro group in the case of an α-nitro vinylcarbene.On the contrary the β-nitrocarbene reacts to give α-oximinoketones.
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(1984)