Abstract:
The Vielsmeier–Haack formylation of 5-chloro-3-alkenylpyrazoles proceeds at the olefinic double bond and affords (2E)-3-(5-chloro-1H-pyrazol-3-yl)prop-2-enals.
Citation:
A. V. Popov, V. A. Kobelevskaya, L. I. Larina, G. G. Levkovskaya, “Synthesis of 3-(5-chloropyrazol-3-yl)propenals”, Mendeleev Commun., 27:2 (2017), 178–179
Linking options:
https://www.mathnet.ru/eng/mendc1936
https://www.mathnet.ru/eng/mendc/v27/i2/p178
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