作者:Chun-Hua Yang、Meng Han、Wenyan Li、Ningning Zhu、Zhenzhen Sun、Junjie Wang、Zhantao Yang、Yue-Ming Li
DOI:10.1021/acs.orglett.0c01685
日期:2020.7.2
Direct intramolecular aminoboration of sulfonamidoallenes was realized using BCl3 as a boron source. The reactions benefited from the interaction between BCl3 and sulfonamides and provided a variety of borylvinyl heterocycles in good isolated yields. When chiral substrates were involved in the reactions, high stereoselectivity was observed, as can be ascertained by single-crystal X-ray diffraction
磺酰氨基丙二烯的直接分子内氨基硼化是使用BCl 3作为硼源实现的。该反应得益于BCl 3和磺酰胺之间的相互作用,并以良好的分离产率提供了各种硼烷基乙烯基杂环。当手性底物参与反应时,观察到高的立体选择性,这可以通过单晶X射线衍射实验确定。如此获得的硼乙烯基化合物的衍生化容易进行,并且可以通过氧化,卤化和Suzuki偶联反应获得不同的官能度。