Rhodium-Catalyzed Pyridine <i>N</i>-Oxide Assisted Suzuki–Miyaura Coupling Reaction via C(O)–C Bond Activation
作者:Jing Zhong、Yang Long、Xufei Yan、Shiyu He、Runyou Ye、Haifeng Xiang、Xiangge Zhou
DOI:10.1021/acs.orglett.9b04068
日期:2019.12.6
A rhodium-catalyzed Suzuki-Miyaura coupling reaction via C(O)-C bond activation to form 2-benzoylpyridine N-oxide derivatives is reported. Both the C(O)-C(sp2) and C(O)-C(sp3) bond could be activated during the reaction with yields up to 92%. The N-oxide moiety could be employed as a traceless directing group, leading to free pyridine ketones.
据报道铑通过C(O)-C键活化形成2-苯甲酰基吡啶N-氧化物衍生物的铑催化的Suzuki-Miyaura偶联反应。C(O)-C(sp2)和C(O)-C(sp3)键均可在反应过程中被激活,产率高达92%。N-氧化物部分可以用作无痕的导向基团,从而产生游离的吡啶酮。