Simple and Direct sp<sup>3</sup> C–H Bond Arylation of Tetrahydroisoquinolines and Isochromans via 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone Oxidation under Mild Conditions
作者:Wataru Muramatsu、Kimihiro Nakano、Chao-Jun Li
DOI:10.1021/ol401534g
日期:2013.7.19
The 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ)-mediated sp3 C–H bond arylation of tetrahydroisoquinolines and isochromans is described. The corresponding products were facilely synthesized via a simple nucleophilic addition reaction between readily available aryl Grignard reagents and iminium (or oxonium) cations generated in situ by DDQ oxidation of tetrahydroisoquinolines (or isochromans) under
描述了2,3-二氯-5,6-二氰基-1,4-苯醌(DDQ)介导的四氢异喹啉和异色满的sp 3 C–H键芳基化。通过容易获得的芳基格氏试剂与在温和条件下通过四氢异喹啉(或异色满)的DDQ氧化就地生成的亚胺(或氧鎓)阳离子之间的简单亲核加成反应,可以轻松合成相应的产物。