route to functionalized 9,10-diarylanthracenes has been developed. 9,10-Epoxyanthracene intermediates were prepared by [4+2] cycloaddition of 1,3-diarylisobenzofuran with a variety of functionalized benzyne intermediates, which were obtained by Mg(TMP)2·2LiCl-mediated benzyne generation. For the cleavage of the resultant 9,10-epoxyanthracene intermediates, we developed mild deoxygenation conditions
已开发出功能化 9,10-二芳基
蒽的新合成路线。9,10-环氧
蒽中间体是通过 1,3-二芳基
异苯并呋喃与多种功能化的苄中间体的 [4+2] 环加成反应制备的,这些中间体是通过 Mg(
TMP)2·2LiCl 介导的苄生成获得的。为了裂解得到的 9,10-环氧
蒽中间体,我们使用
三氟乙酸和 Et3SiH 的组合开发了温和的脱氧条件。通过应用于 5,7,12,14-四苯基
并五苯的合成证明了该序列的效用。