Tetrahedron p. 2263 - 2274 (1986)
Update date:2022-08-03
Topics:
Coqueret, X.
Bourelle-Wargnier, F.
Chuche, J.
Synthesis and gas phase pyrolysis of various N,N dialkylenhydrazinopropenoate derivatives 7a-g are described.At temperatures above 400 deg C, these compounds give 2-pyrazolin-5 ones 4a-e.At lower temperatures, the pyrazolinium ylides 3a-g are isolated in
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