A procedure has been developed for oxidative N-adamantylation of azoles with 1-iodoadamantane in the presence of chromium(IV) oxide or iodine(V) oxide. The procedure is applicable to azoles whose pK(BH+) value does not exceed 2.26.
Gavrilov; Golod, Russian Journal of Organic Chemistry, 1999, vol. 35, # 8, p. 1234 - 1235