Assigned ¹H NMR spectra of 1,2,3‐triazolium iodides 5b (top), 6 (middle) and the crude reaction mixture between 5b and 50 equiv. of methyl iodide after 100 h at 60 °C (bottom). *: methylene group of benzyl iodide.

Assigned ¹H NMR spectra of 1,2,3‐triazolium iodides 5b (top), 6 (middle) and the crude reaction mixture between 5b and 50 equiv. of methyl iodide after 100 h at 60 °C (bottom). *: methylene group of benzyl iodide.

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1,3,4‐Trisubstituted 1,2,3‐triazolium salts having either aliphatic or benzylic substituents at the N‐1 and N‐3 positions were synthesized in two steps involving: i) copper(I) catalyzed azide‐alkyne 1,3‐dipolar cycloaddition (CuAAC), and ii) N‐alkylation of the 1,2,3‐triazole intermediates. Trans‐N‐alkylation reactions in bulk and in the presence o...