1,2,4,5-Tetrakis(trimethylsilylethynyl)benzene reacted with two molar equivalents of the boranes R−B(C₆F₅)₂ (R=C₆F₅, Me, Ph) in a series of sequential 1,1-carboboration reactions to give ca. 1 : 1 mixtures of the two-fold benzannulated products, namely the respective C_2h and C_2v symmetric tetra-silyl, bis-boryl substituted anthracenes. Their active B(C₆F₅)₂ substituents were used for consecutive Suzuki-Miyaura C−C coupling reactions to give boron-free phenyl or 2-pyridyl substituted anthracene products.

中文翻译：

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1,1-碳硼化环结构；从四（炔基）苯制备蒽衍生物

1,2,4,5-四（三甲基甲硅烷基乙炔基）苯与两摩尔当量的硼烷 R-B(C ₆ F ₅ ) ₂ (R=C ₆ F ₅ , Me, Ph) 在一系列顺序 1 中反应， 1-碳化反应得到约。双重苯并环化产物的1:1混合物，即各自的C _{2 h}和C _{2 v}对称四甲硅烷基、双硼基取代的蒽。它们的活性 B(C ₆ F ₅ ) ₂取代基用于连续的Suzuki-Miyaura C-C 偶联反应得到无硼苯基或 2-吡啶基取代的蒽产物。