Abstract

1H-1,2,3-Triazolium scaffolds are used in a variety of fields including supramolecular chemistry, organometallic chemistry, and organocatalysis. In this study, an oxidative [3 + 2] cycloaddition of triazenes and trisubstituted dichloroalkenes was developed. The reaction proceeded under mild conditions to afford functionalized chloro-1H-1,2,3-triazolium salts. The reaction was successfully performed on a gram scale. Moreover, a chloro-1H-1,2,3-triazolium salt could be employed for nucleophilic aromatic substitution with various nucleophiles.

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