Highly Regioselective Radical Transformation of N ‑Sulfonyl-1,2,3-triazoles in Air
2019
The classic transformations of N-sulfonyl-1,2,3-triazoles were processed via nitrogen anion (hydrolysis, etc.) and carbene intermediates, and no efficient examples via radical intermediates were developed. Here, we reported a catalyst-free radical chain transformation of N-sulfonyl-1,2,3-triazoles to access an intermolecular oxidative C(sp3)–H coupling to yield N2-selective products in air without any catalysts.
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