通过过渡金属催化或 S N Ar 反应制备S -芳基黄原酸酯因其在所用条件下的进一步转化而变得复杂。相比之下,O-烷基黄原酸钾与二芳基碘盐的 S-芳基化反应在温和条件下进行,从而能够获得取代的S-芳基黄原酸。该方法表现出良好的官能团耐受性,可应用于药物分子的后期C-H功能化。由此产生的S -芳基黄原酸酯的不同转化提供了快速获得一系列与药物化学相关的有机硫化合物的途径。
Bromothiolation of Arynes for the Synthesis of 2-Bromobenzenethiol Equivalents
作者:Shinya Tabata、Suguru Yoshida
DOI:10.1021/acs.orglett.4c00944
日期:2024.5.10
A new method to synthesize o-bromobenzenethiol equivalents through aryne intermediates is disclosed. Various o-bromobenzenethiol equivalents are prepared by the bromothiolation of aryne intermediates with potassium xanthates. Aryl xanthates serve in the synthesis of diverse organosulfurs involving phenothiazines and thianthrenes by further transformations.