| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5220487 | Tetrahedron | 2011 | 6 Pages |
Abstract
5-Sulfonamidopyrazoles were efficiently synthesized from terminal alkynes, sulfonyl azides and hydrozones. The sequential reaction involves a copper-catalyzed three-component reaction, a Lewis acid-catalyzed electrocyclic reaction and a dehydrogenation.
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