Chemistry of Heterocyclic Compounds p. 515 - 518 (1982)
Update date:2022-08-04
Topics:
Zvonok, A. M.
Kuz'menok, N. M.
Stanishevskii, L. S.
Diastereomeric 4-aryl-3-epoxypropionyl-2-pyrazolines were obtained by cycloaddition of diazomethane to β-arylacrylyloxiranes.It was established that, in addition to the formation of pyrazolines, competitive addition of diazomethane to the carbonyl group to give oxadiazolines occurs when electron-donor substituents are present in the aromatic ring in the 2 or 4 position.Some chemical properties of 4-aryl-3-epoxypropionyl-2-pyrazolines were studied.
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