Metal–Organic Layers Hierarchically Integrate Three Synergistic Active Sites for Tandem Catalysis
作者:Yangjian Quan、Guangxu Lan、Wenjie Shi、Ziwan Xu、Yingjie Fan、Eric You、Xiaomin Jiang、Cheng Wang、Wenbin Lin
DOI:10.1002/anie.202011519
日期:2021.2.8
layer (MOL), Hf12‐Ru‐Co, composed of [Ru(DBB)(bpy)2]2+ [DBB‐Ru, DBB=4,4′‐di(4‐benzoato)‐2,2′‐bipyridine; bpy=2,2′‐bipyridine] connecting ligand as a photosensitizer and Co(dmgH)2(PPA)Cl (PPA‐Co, dmgH=dimethylglyoxime; PPA=4‐pyridinepropionic acid) on the Hf12 secondary building unit (SBU) as a hydrogen‐transfer catalyst. Hf12‐Ru‐Co efficiently catalyzed acceptorless dehydrogenation of indolines and tetrahydroquinolines
我们报告的双官能金属-有机层(MOL),Hf组成的设计12 -Ru钴,的[Ru(DBB)(联吡啶)组成2 ] 2+ [DBB-Ru和DBB = 4,4'-二( 4-苯并)-2,2'-联吡啶; bpy = 2,2'-联吡啶]作为光敏剂连接配体和Hf 12二级建筑单元(SBU)上的Co(dmgH)2(PPA)Cl(PPA-Co,dmgH =二甲基乙二肟; PPA = 4-吡啶丙酸)作为氢转移催化剂。Hf 12 -Ru-Co有效催化二氢吲哚和四氢喹啉的无受体脱氢反应,生成吲哚和喹诺酮。我们扩展了此策略,以制备具有[Ru(DBB)(bpy)2 ] 2+光敏剂和Hf的Hf 12 -Ru-Co-OTf MOL12个SBU封端有三氟甲磺酸酯作为强路易斯酸,PPA-Co作为氢转移催化剂。Hf 12 -Ru-Co-OTf具有三个协同活性位点,可有效地催化二氢吲哚与烯烃或醛的脱氢串联转化,从而分别提供3-烷基