Despite their importance, there are only a few methods available for their preparation. Herein, we report a simple procedure for the preparation of tetraarylmethanes that involves a bismuth-catalyzed Friedel-Crafts cyclization followed by a desulfurization reaction mediated by Raney nickel.
四芳基
甲烷是一类重要的分子,其包含四个与中心碳原子键合的芳基。这些分子的形状/三维尺寸使其适合有机发光二极管(OLED),有机太阳能电池,储氢甚至药物输送。尽管它们很重要,但只有少数几种方法可用于其制备。在此,我们报告了一种制备四芳基
甲烷的简单方法,该方法涉及
铋催化的Friedel-Crafts环化反应,然后进行阮内
镍介导的脱
硫反应。