Migration of Hydride, Methyl, and Chloride Ligands between Al and M in (PAlP)M Pincer Complexes (M = Rh or Ir) [0.03%]
(PAlP)型钳形配合物( M =Rh 或 Ir)中氢、甲基及氯配体在Al与M之间的迁移
Vinh T Nguyen,Qingheng Lai,Naphol Witayapaisitsan et al.
Vinh T Nguyen et al.
Protolysis of AlMe3 or AlBui3 with 2-diisopropylphosphinopyrrole (1) yields molecules containing two flanking phosphines and a central Al-Me (2-Me), Al-iBu (2-iBu), or Al-H (2-H) unit. The reactions of 2-Me with [L2MCl]2 (L = cyclooctene or...
Synthesis of an Indazole/Indazolium Phosphine Ligand Scaffold and Its Application in Gold(I) Catalysis [0.03%]
吲唑/吲唑鎓磷配体骨架的合成及其在金(I)催化中的应用
Asima Munawar,Logan T Maltz,Wei-Chun Liu et al.
Asima Munawar et al.
Advances in ligand development have allowed for the fine-tuning of gold catalysis. To contribute to this field, we designed an indazole phosphine ligand scaffold that allows facile introduction of cationic charge through methylation. With m...
Synthesis and Characterization of Palladium Pincer Bis(carbene) CCC Complexes [0.03%]
钯的CCC夹心双羰基化合物的合成和表征
Daniel C Najera,Gabriel Espinosa Martinez,Alison R Fout
Daniel C Najera
The metalation of the DIPPCCC (DIPPCCC = bis(diisopropylphenyl-imidazol-2-ylidene)phenyl) ligand platform with Pd was achieved under mild conditions by reacting [H3(DIPPCCC)]Cl2 with Pd(OAc)2 at room temperature in the presence of 3.1 equiv...
Are Ar3SbCl2 Species Lewis Acidic? Exploration of the Concept and Pnictogen Bond Catalysis Using a Geometrically Constrained Example [0.03%]
Ar3SbCl2物种是路易斯酸吗？利用几何约束实例探索该概念和pnictogen键催化
Jesse E Smith,François P Gabbaï
Jesse E Smith
As part of our investigations into the Lewis acidic behavior of antimony derivatives, we have decided to study the properties of 5-phenyl-5,5-dichloro-λ5-dibenzostibole (1), a dichlorostiborane with an antimony atom confined to a five-memb...
Building Blocks for Molecular Polygons Based on Platinum Vertices and Polyynediyl Edges [0.03%]
基于铂顶点和聚乙炔基边的分子多边形构建模块
Brenna K Collins,Nancy Weisbach,Frank Hampel et al.
Brenna K Collins et al.
Reactions of Cl2P(CH2)3PCl2 and p-MgBrC6H4X (X = a/OMe, b/OtBu, c/tBu, d/SiMe3) give the diphosphines (p-XC6H4)2P(CH2)3P(p-C6H4X)2 (1a-d; 47-66%). Additions of 1a,d to (COD)PtCl2 yield (CH2(CH2P(p-C6H4X)2)2)PtCl2 (2a,d; 62-88%), which upon ...
Desulfurization and N2 Binding at an Iron Complex Derived from the C-S Activation of Benzothiophene [0.03%]
铁配合物的脱硫和N2结合：源自苯并噻吩的C-S活化
Reagan X Hooper,Brandon Q Mercado,Patrick L Holland
Reagan X Hooper
Metal insertion into the C-S bonds of thiophenes is a facile route to interesting polydentate ligand scaffolds with C and S donors. Here, we describe iron-mediated C-S activation of a diphenylphosphine-functionalized benzothiophene proligan...
Manganese-Catalyzed Hydrogenation of Amides and Polyurethanes: Is Catalyst Inhibition an Additional Barrier to the Efficient Hydrogenation of Amides and Their Derivatives? [0.03%]
manganese催化酰胺和聚氨酯的氢化反应：催化剂抑制是否是酰胺及其衍生物高效氢化的额外障碍？
James Luk,Conor L Oates,José A Fuentes Garcia et al.
James Luk et al.
The hydrogenation of amides and other less electrophilic carbonyl derivatives with an N-C=O functionality requires significant improvements in scope and catalytic activity to be a genuinely useful reaction in industry. Here, we report the r...
Comparative Analysis of the Donor Properties of Isomeric Pyrrolyl Phosphine Ligands [0.03%]
吡咯基膦配体同分异构体供体性能的比较分析
Vicky A Osenga,Nolan C Sykes,Sopheak Pa et al.
Vicky A Osenga et al.
Understanding the net donor and electronic properties of pyrrole-based phosphines is critical for guiding their use as ligands. In this study, we compare two isomeric 1- and 2-(diphenylphosphino)methylpyrroles (L1 and L2, respectively) to d...
From Carbene-Dithiolene Zwitterion Mediated B-H Bond Activation to BH3·SMe2-Assisted Boron-Boron Bond Formation [0.03%]
从卡拜-二硫烯双离子介导的B-H键活化到BH3.SMe2辅助的硼硼成键反应
Yuzhong Wang,Phuong M Tran,Mitchell E Lahm et al.
Yuzhong Wang et al.
The 1:1 reaction of the carbene-stabilized dithiolene zwitterion 1 with BH3·SMe2 gave the dithiolene-based hydroborane 2 and the doubly hydrogen-capped CAAC species 3 via hydride-coupled reverse electron transfer processes. The mechanism o...
Reactions of Nickel(0)-Olefin Pincer Complexes with Terminal Alkynes: Cooperative C-H Bond Activation and Alkyne Coupling [0.03%]
镍(0)烯烃钳形配合物与末端炔烃的反应：C-H键活化及炔烃偶联的协同作用
María L G Sansores-Paredes,Tú T T Nguyen,Martin Lutz et al.
María L G Sansores-Paredes et al.
Metal-ligand cooperation can facilitate the activation of chemical bonds, opening reaction pathways of interest for catalyst development. In this context, olefins occupying the central position of a diphosphine pincer ligand (PC=CP) are eme...