%0 Journal Article %A San Martín, Daniel %A Martínez Del Campo, Teresa %A Gamarra, L. %A Cerrón, E. %A Cembellín Santos, Sara %A Yanai, H. %A Almendros, P. %T Indium-mediated preparation of bis(α-hydroxyallenes) or α,α´-dihydroxyallenynes and further gold-catalyzed cyclizations %D 2024 %U https://hdl.handle.net/20.500.14352/122888 %X We present the regio- and diastereoselective Barbier-type allenylation reaction of glyoxals mediated by indium to furnish highly valuable syn-bis(α-hydroxyallenes) and syn-α,α′-dihydroxyallenynes. The gold-catalyzed controlled cyclization of these unsaturated diols enables the divergent preparation of three types of oxacycles. %~