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Herein, we report an operationally simple and efficient protocol to prepare sulfonyl carbamimidic azide and N‐sulfonyl aminotetrazole via Co‐catalyzed three component coupling of sulfonyl azide (acts as nitrene source), isocyanide, and TMS‐azide at room temperature under visible light. Initially, the carbamimidic azide is formed, which cyclizes only in the presence of base to deliver N‐sulfonyl aminotetrazole...
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