Hydroalkylation of Aryl Alkenes with Organohalides Catalyzed by Molybdenum Oxido Based Lewis Pairs
作者:Niklas Zwettler、Antoine Dupé、Sumea Klokić、Angela Milinković、Dado Rodić、Simon Walg、Dmytro Neshchadin、Ferdinand Belaj、Nadia C. Mösch‐Zanetti
DOI:10.1002/adsc.202000425
日期:2020.8.4
Three molybdenum(VI) dioxido complexes [MoO2(L)2] bearing Schiff base ligands were reacted with B(C6F5)3 to afford the corresponding adducts [MoOOB(C6F5)3}(L)2], which were fully characterized. They exhibit Frustrated Lewis‐Pairs reactivity when reacting with silanes. Especially, the [MoOOB(C6F5)3}(L)2] complex with L=2,4‐dimethyl‐6‐((phenylimino)methyl)phenol proved to be active as catalyst for
三个带有席夫碱配体的二氧化钼(VI)络合物[MoO 2 (L) 2 ]与B(C 6 F 5 ) 3反应,得到相应的加合物[MoOOB(C 6 F 5 ) 3 }(L) 2 ],其特征得到充分表征。当与硅烷反应时,它们表现出受阻路易斯对反应性。特别是,[MoOOB(C 6 F 5 ) 3 }(L) 2 ]与L=2,4-二甲基-6-((苯基亚氨基)甲基)苯酚的络合物被证明具有作为芳基加氢烷基化催化剂的活性。烯烃与有机卤化物以及有机卤化物与脂肪族烯烃的原子转移自由基加成 (ATRA)。使用低催化剂负载量,由简单的烯烃和有机卤化物(如氯仿或溴仿)合成了一系列具有进一步衍生化潜力的偕二氯化物和偕二溴化物化合物。