Hou QL, Tu HY, Yan XW, Zhang XG. Regioselective synthesis of 4-trifluoromethylpyrazoles from the cycloaddition of sulfonyl hydrazones with 2-chloro-2-trifluoromethylstyrenes.
Tetrahedron Lett 2021. [DOI:
10.1016/j.tetlet.2021.153528]
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