%0 Journal Article
%A Martín-Mejías, Irene
%A Aragoncillo Abanades, Cristina
%A Yanai, Hikaru
%A Hoshikawa, Shoki
%A Fujimoto, Yuuki
%A Matsumoto, Takashi
%A Almendros Requena, Pedro
%T A catalyst-free bis(triflyl)ethylation/benzannulation reaction: rapid access to carbazole-based superacidic carbon acids from alkynols
%D 2020
%@ 1359-7345
%U https://hdl.handle.net/20.500.14352/91838
%X Carbazoles possessing Tf2CHCH2 groups were obtained by the reaction of 1-(indol-2-yl)but-3-yn-1-ols with in situ-generated Tf2CQCH2 through vicinal difunctionalisation of the alkyne moiety, where the vinyl-type carbocation intermediate was selectively attacked by the indole moiety and not by the carbanion moiety
%~