Substituent-Oriented Synthesis of Substituted Pyrazoles/Chromeno[3,2‑<i>c</i>]pyrazoles via Sequential Reactions of Chromones/3-Chlorochromones and Tosylhydrazones
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A facile and efficient synthetic strategy for the chemoselective synthesis of monocyclic/tricyclic-fused pyrazoles was developed, and it was oriented by different 3-position substituents (H or Cl) on the chromones. The reaction proceeded in a one-pot sequential way with a broad substrate scope and moderate to excellent yields.
创建时间：
2019-04-02
