Ni-catalyzed 1,2-diarylation of unactivated alkenes directed by diverse azaheterocycles
作者:Yilin Cao、Zi-Qi Li、Keary M. Engle
DOI:10.1016/j.tetlet.2023.154764
日期:2023.11
A nickel-catalyzed heterocycle-directed 1,2-diarylation of alkenes with aryl iodide electrophiles and arylboronic acid neopentyl ester nucleophiles is reported. A series of 1,2,4-tri(hetero)aryl products are prepared under mild conditions. A collection of azaheterocycle directing groups, including indazoles, pyrazoles, triazoles, and tetrazoles, enable the transformation, giving moderate to excellent
报道了镍催化的杂环引导的烯烃与芳基碘化物亲电子试剂和芳基硼酸新戊酯亲核试剂的 1,2-二芳基化反应。在温和条件下制备了一系列1,2,4-三(杂)芳基产品。一系列氮杂环导向基团,包括吲唑、吡唑、三唑和四唑,能够实现转化,从而产生中等至优异的产率。进行了大规模 反应以显示该方法的制备效用。