Harald Stueger,Bernd Hasken,Michael Haas et al.
Harald Stueger et al.
Previously unknown 1,1,4-tris(trimethylsilyl)-4-acyldodecamethylcyclohexasilanes (Me3Si)2Si6Me12(Me3Si)COR (16a, R = tert-butyl; 16b, R = 1-adamantyl) have been synthesized by the reaction of the potassium silanides (Me3Si)2Si6Me12(Me3Si)K ...
Mechanistic Studies of Azaphilic versus Carbophilic Activation by Gold(I) in the Gold/Palladium Dual-Catalyzed Rearrangement of Alkenyl Vinyl Aziridines [0.03%]
金(I)催化的氮亲性与碳亲性活化在金/钯双金属催化下烯基乙烯亚胺的重排反应中的机理研究
Joshua J Hirner,Katrina E Roth,Yili Shi et al.
Joshua J Hirner et al.
A vinyl aziridine activation strategy cocatalyzed by palladium(0) and a gold(I) Lewis acid has been developed. This rearrangement installs a C-C and a C-N bond in one synthetic step to form pyrrolizidine and indolizidine products. Two propo...
Gold(I) and Palladium(II) Complexes of 1,3,4-Trisubstituted 1,2,3-Triazol-5-ylidene "Click" Carbenes: Systematic Study of the Electronic and Steric Influence on Catalytic Activity [0.03%]
1,3,4-三取代1,2,3-三唑亚基“点击”卡宾的金(I)和钯(II)配合物:电子及立体效应对其催化活性的影响的系统研究
James R Wright,Paul C Young,Nigel T Lucas et al.
James R Wright et al.
The synthesis of a small family of six electronically and sterically modified 1,3,4-trisubstituted 1,2,3-triazol-5-ylidene gold(I) chloride complexes is described. Additionally, the corresponding trans-[PdBr2(iPr2-bimy)(1,3,4-trisubstituted...
Conformational Properties of 1-Halogenated-1-Silacyclohexanes, C5H10SiHX (X = Cl, Br, I): Gas Electron Diffraction, Low-Temperature NMR, Temperature-Dependent Raman Spectroscopy, and Quantum-Chemical Calculations [0.03%]
1-卤代-1硅环己烷的构象性质,C5H10SiHX(X = Cl,Br,I):气体电子衍射,低温NMR,温度依赖性拉曼光谱及量子化学计算
Sunna Ó Wallevik,Ragnar Bjornsson,Agúst Kvaran et al.
Sunna Ó Wallevik et al.
The molecular structures of axial and equatorial conformers of cyclo-C5H10SiHX (X = Cl, Br, I) as well as the thermodynamic equilibrium between these species was investigated by means of gas electron diffraction, dynamic nuclear magnetic re...
Lewis Base Activation of Lewis Acids - Group 13. In Situ Generation and Reaction of Borenium Ions [0.03%]
路易斯碱活化路易斯酸-第13族元素。borenium离子的原位生成和反应
Scott E Denmark,Yusuke Ueki
Scott E Denmark
A variety of Lewis bases were combined with 9-BBN-NTf2 to establish the requirements for the generation of borenium cations. Five different types of behavior were found, but the most interesting was the combination of Et3N, DABCO, 2,6-lutid...
Electrophilic C-H Borylation and Related Reactions of B-H Boron Cations [0.03%]
硼氢化硼𬭩离子的亲电B-H键活化反应及其他相关反应
Aleksandrs Prokofjevs,Janis Jermaks,Alina Borovika et al.
Aleksandrs Prokofjevs et al.
Catalytic procedures are described for aminedirected borylation of aliphatic and aromatic tertiary amine boranes. Sequential double borylation is observed in cases where two or more C-H bonds are available that allow 5-center or 6-center in...
Investigations into Ruthenium Metathesis Catalysts with Six-Membered Chelating NHC Ligands: Relationship between Catalyst Structure and Stereoselectivity [0.03%]
六元环螯合NHC配体钌基卡宾金属lore催化剂研究:催化剂结构与立体选择性关系
Koji Endo,Myles B Herbert,Robert H Grubbs
Koji Endo
A series of ruthenium catalysts bearing five-membered chelating NHC architectures that exhibit very high Z-selectivity in a variety of metathesis reactions have recently been reported. It was envisioned that catalysts possessing sixmembered...
Intramolecular Arene C-H to C-P Functionalization Mediated by Ni(II) and Pd(II) [0.03%]
基于Ni(II)和Pd(II)的 intramolecular arene C-H 至 C-P 功能化反应
Sandy Suseno,Theodor Agapie
Sandy Suseno
A trisphosphine ligand with a triarylbenzene backbone was employed to support mono-nickel(II) and palladium(II) complexes. Two phosphine arms coordinated to the metal center, while the third phosphine was found to form a C-P bond with dearo...
Synthesis of High Oxidation State Molybdenum Imido Heteroatom-Substituted Alkylidene Complexes [0.03%]
高氧化态钼亚胺杂原子取代亚甲基配合物的合成
Erik M Townsend,Stefan M Kilyanek,Richard R Schrock et al.
Erik M Townsend et al.
Reactions between Mo(NAr)(CHR)(Me2Pyr)-(OTPP) (Ar = 2,6-i-Pr2C6H3, R = H or CHCMe2Ph, Me2Pyr = 2,5-dimethylpyrrolide, OTPP = O-2,3,5,6-Ph4C6H) and CH2=CHX where X = B(pin), SiMe3, N-carbazolyl, N-pyrrolidinonyl, PPh2, OPr, or SPh lead to Mo...
Heterolytic H2 Cleavage and Catalytic Hydrogenation by an Iron Metallaboratrane [0.03%]
铁金属硼化合物的异裂氢解和催化加氢作用
Henry Fong,Marc-Etienne Moret,Yunho Lee et al.
Henry Fong et al.
Reversible, heterolytic addition of H2 across an iron-boron bond in a ferraboratrane with formal hydride transfer to the boron gives iron-borohydrido-hydride complexes. These compounds catalyze the hydrogenation of alkenes and alkynes to th...