Abstract
A novel regioselective route to 1-aryl-4-bromo-5-trifluoromethylpyrazoles involves reactions of arylhydrazines with 3-bromo-4-ethoxy-1,1,1-trifluorobut-3-en-2-one.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 1, pp. 167–168, January, 2006.
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Nenajdenko, V.G., Reznichenko, A.L. & Balenkova, E.S. Regioselective synthesis of 1-aryl-4-bromo-5-trifluoromethylpyrazoles. Russ Chem Bull 55, 172–173 (2006). https://doi.org/10.1007/s11172-006-0233-z
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DOI: https://doi.org/10.1007/s11172-006-0233-z