Fredrik Barnå, Matic Hribersek, Andreas Orthaber, Lukasz T Pilarski
We report the synthesis and structural characterization of three crystalline borylated ortho -silylaryl tri-fluoro-methane-sulfonates: 5-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)-2-(tri-methyl-sil-yl)phenyl tri-fluoro-methane-sulfonate, C16 H24 BF3 O5 SSi ( 1a ), 4-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)-2-(tri-methyl-sil-yl)phenyl tri-fluoro-methane-sulfonate, C16 H24 BF3 O5 SSi ( 1b ), and 2-methyl-4-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)-6-(tri-methyl-silyl)phen-yl tri-fluoro-methane-sulfonate, C17 H26 BF3 O5 SSi ( 2 ), which are versatile aryne precursors...
February 1, 2024: Acta Crystallographica. Section E, Crystallographic Communications