Deactivation Modes in Nickel-Mediated Suzuki-Miyaura Cross-Coupling Reactions Using an NHC-Pyridonate Ligand [0.03%]
NHC-吡啶酮配体介导的镍催化的Suzuki-Miyaura交叉偶联反应的失活模式
Abhishek A Kadam,Medina Afandiyeva,William W Brennessel et al.
Abhishek A Kadam et al.
The catalytic activity of an NHC-pyridonate-supported nickel(0) complex for Suzuki-Miyaura coupling of aryl halides was evaluated. Product formation was observed in the absence of a basic additive. However, low turnover numbers resulted fro...
IPr# Complexes-Highly-Hindered, Sterically-Bulky Cu(I) and Ag(I) N-Heterocyclic Carbenes: Synthesis, Characterization, and Reactivity [0.03%]
高度位阻的、体积庞大的Cu(I)和Ag(I)N-杂环卡宾（IPr# complexes）：合成、表征及反应性
Greta Utecht-Jarzyńska,Szymon Jarzyński,Md Mahbubur Rahman et al.
Greta Utecht-Jarzyńska et al.
Metal-N-heterocyclic carbene (M-NHC) complexes are well-known as an important class of organometallic compounds widely used in transition-metal catalysis. Taking into account that the steric hindrance around the metal center is one of the m...
Pnictogen Bonding at the Core of a Carbene-Stiborane-Gold Complex: Impact on Structure and Reactivity [0.03%]
碳烯-三氯化锑-金配合物中的磷氮键：对结构和反应性的影响
Paula Castro Castro,François P Gabbaï
Paula Castro Castro
Our interest in the design of ambiphilic ligands and their coordination to gold has led us to synthesize an indazol-3-ylidene gold chloride complex functionalized at the 4-position of the indazole backbone by a stibine functionality. The an...
Flash Communication: Rhodium Complexes of Acetamide-Derived PAlP Pincer [0.03%]
基于乙酰胺的PAlP钳形配合物的闪通讯：Rhodium配合物
R Noah Sladek,Nattamai Bhuvanesh,Oleg V Ozerov
R Noah Sladek
The new alane/bis(phosphine) PAlP pincer-type ligands 2-Me and 2-Et have been prepared by protolysis reactions of N-(diisopropylphoshino)acetamide with Me3Al or Et3Al in a 2:1 ratio. Upon reaction with a "RhCl" source and pyridine, 2-Me gav...
Macrobicyclic Dibridgehead Di(trialkyl)pnictogens E((CH2) n )3E (E/ n = As/10, As/12, As/14, Sb/14) and Their Cage-like Metal Complexes: Syntheses, Structures, and Homeomorphic Isomerizations [0.03%]
轮状二氮杂桥头二(三烷基)金属环化合物E((CH2)n)3E(E/n=As/10, As/12, As/14, Sb/14)及其笼状配合物的合成、结构和同形异构体转变研究
Samuel R Zarcone,Peter J Verardi,Gong M Chu et al.
Samuel R Zarcone et al.
Photolyses of trans-Fe(CO)3(As((CH2) n )3As) (n = a, 10; b, 12; c, 14) in the presence of PMe3, or reactions of trans-[Fe(CO)2(NO)(As((CH2) n )3As)]+ BF4 - and n-Bu4N+ Cl-, afford the air stable title complexes As((CH2) n )3As (8a-c) in 79-...
Rhodium-Catalyzed Arene Alkenylation: Selectivity and Reaction Mechanism as a Function of In Situ Oxidant Identity [0.03%]
原位氧化剂身份的选择性和反应机理的均三苯甲烯烯化铑催化芳香族
Marc T Bennett,Kwanwoo A Park,T Brent Gunnoe
Marc T Bennett
Rhodium catalyzed arene alkenylation reactions with arenes and olefins using dioxygen as the direct oxidant (e.g., ACS Catal. 2020, 10, 11519), Cu(II) carboxylates (e.g., Science 2015, 348, 421; J. Am. Chem. Soc. 2017, 139, 5474) or Fe(III)...
Casey R Wade,Brendan L Murphy,Shantabh Bedajna et al.
Casey R Wade et al.
The ligands tris(8-quinolyl)stibine and tris(6-methyl-8-quinolyl)stibine have been synthesized and complexed to rhodium using (MeCN)3RhCl3. The resulting complexes feature an unusual [RhSb]VI core as a result of the formal insertion of the ...
Alumanyl Reduction, Reductive Coupling and C-H Isomerization of Organic Nitriles [0.03%]
有机腈的铝基还原、偶联和C-H异构化反应
Henry T W Shere,Han-Ying Liu,Michael S Hill et al.
Henry T W Shere et al.
The behavior of the potassium alumanyl, [{SiNDipp}AlK]2 ({SiNDipp} = {CH2SiMe2N(Dipp)}2; Dipp = 2,6-i-Pr2C6H3), toward organic nitriles has been investigated. In common with earlier studies of the reactivity of charge neutral Al(I) species ...
Synthesis of a Palladium Dimer Supported by a C-Bound Trifluoroacetonate Bridge Formed by Cleavage of a Hexafluoroacetylacetonate Ligand [0.03%]
由六氟丙二酰乙酰基配体裂解形成的C-bound三氟乙酸酯桥配位之钯二聚体的合成
Paul Byrne,Hugh Burgoon,Jessica Koester et al.
Paul Byrne et al.
Palladium(II) hexafluoroacetylacetonate (Pd(Hfacac)2) is known to form adducts of bases, such as lutidine (2,6-dimethylpyridine). When treated with approximately 3 equiv of lutidine, Pd(Hfacac)2 yields a 1:1 complex as reported in the liter...
Computational Study of the Ir-Catalyzed Formation of Allyl Carbamates from CO2 [0.03%]
基于CO2的烯丙基碳酰胺的形成机理的计算研究
Sahil Gahlawat,Markus Artelsmair,Abril C Castro et al.
Sahil Gahlawat et al.
We have employed computational methods to investigate the iridium-catalyzed allylic substitution leading to the formation of enantioenriched allyl carbamates from carbon dioxide (CO2). The reaction occurs in several steps, with initial form...