Azido-type-selective triazole formation by iridium-catalyzed cycloaddition with thioalkynes
2022
Sugiyama, Kazuya | Sakata, Yuki | Niwa, Takashi | Yoshida, Suguru | Hosoya, Takamitsu
The iridium-catalyzed azide–thioalkyne cycloaddition was found to proceed much faster with benzyl azide than with phenyl azide. The high azido-type selectivity was also observed in other combinations of azides with different steric environments. This finding enabled the efficient assembly of three azidophilic molecules to triazido platforms by three sequential triazole-forming reactions.
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