Water-Soluble Hypervalent Iodine(III) Having an I–N Bond. A Reagent for the Synthesis of Indoles
作者:Hai-Dong Xia、Yan-Dong Zhang、Yan-Hui Wang、Chi Zhang
DOI:10.1021/acs.orglett.8b01615
日期:2018.7.6
A readily accessible and bench-stable water-soluble hypervalent iodine(III) reagent (phenyliodonio)sulfamate (PISA) with an I–N bond was synthesized, and its structure was characterized by X-ray crystallography. With PISA, various indoles were synthesized via C–H amination of 2-alkenylanilines involving an aryl migration/intramolecular cyclization cascade with excellent regioselectivity in aqueous
甲易于接近和台式稳定的水溶性高价碘(III)试剂(p苯基我odonio)小号ulfam一个TE(PISA)与I-N键的合成,其结构的特点是X射线晶体学。通过PISA,可以通过2-烯基苯胺的C–H胺化反应合成各种吲哚,涉及在CH 3 CN水溶液中具有极好的区域选择性的芳基迁移/分子内环化级联反应。值得注意的是,使用这种新方法作为关键步骤,不仅合成了两种药物分子,吲哚美辛和齐多菌素,而且还合成了另一种生物活性分子普罗帕多林。