Reactions of Indene and Indoles with Platinum Methyl Cations: Indene C-H Activation, Indole π vs. Nitrogen Lone-Pair Coordination [0.03%]
吲哚和铂碳正离子反应：苯并_ind烯C-H活化，吲哚π与氮配位反应
Travis J Williams,Jay A Labinger,John E Bercaw
Travis J Williams
Reactions of indene and various substituted indoles with [(diimine)PtII(Me)(TFE)]+ cations have been studied (diimine = ArN = C(Me) - C(Me) = NAr; TFE = 2,2,2-trifluoroethanol). Indene displaces the TFE ligand from platinum to form a stable...
Facile Arylation of Four-Coordinate Boron Halides by Borenium Cation Mediated Boro-desilylation and -destannylation [0.03%]
四配位硼卤化物的简易芳基化：通过Borenium阳离子介导的硼脱硅和脱锡反应实现
Daniel L Crossley,Jessica Cid,Liam D Curless et al.
Daniel L Crossley et al.
The addition of AlCl3 to four-coordinate boranes of the general formula (C-N-chelate)BCl2 results in halide abstraction and formation of three-coordinate borenium cations of the general formula [(C-N-chelate)BCl]+. The latter react with bot...
In-Depth Assessment of the Palladium-Catalyzed Fluorination of Five-Membered Heteroaryl Bromides [0.03%]
钯催化五元杂芳基溴的氟化反应的深入评估研究
Phillip J Milner,Yang Yang,Stephen L Buchwald
Phillip J Milner
A thorough investigation of the challenging Pd-catalyzed fluorination of five-membered heteroaryl bromides is presented. Crystallographic studies and density functional theory (DFT) calculations suggest that the challenging step of this tra...
Amide-Directed Formation of Five-Coordinate Osmium Alkylidenes from Alkynes [0.03%]
酰胺促进的通过炔烃配位制备五坐标 osmium 亚甲基化合物
Noelia Casanova,Miguel A Esteruelas,Moisés Gulías et al.
Noelia Casanova et al.
The amide-directed synthesis of five-coordinate osmium alkylidene derivatives from alkynes is reported. These types of complexes, which have been elusive until now because of the tendency of osmium to give hydride alkylidyne species, are pr...
Selective Aromatic C-H Hydroxylation Enabled by η6-Coordination to Iridium(III) [0.03%]
六元环螯合铱(III)催化剂用于芳烃的选择性羟基化反应
Erica M D&#x;Amato,Constanze N Neumann,Tobias Ritter
Erica M D&#x;Amato
We report an aromatic C-H hydroxylation protocol in which the arene is activated through η6-coordination to an iridium(III) complex. η6-Coordination of the arene increases its electrophilicity and allows for high positional selectivity of...
Alexander F R Kilpatrick,Jennifer C Green,F Geoffrey N Cloke
Alexander F R Kilpatrick
Bonding in the bis(pentalene)dititanium "double-sandwich" species Ti2Pn2 (Pn = C8H6) and its interaction with other fragments have been investigated by density functional calculations and fragment analysis. Ti2Pn2 with C2v symmetry has two ...
The Reductive Activation of CO2 Across a Ti=Ti Double Bond: Synthetic, Structural, and Mechanistic Studies [0.03%]
通过钛-钛双键活化二氧化碳的合成、结构及机理研究
Alexander F R Kilpatrick,Jennifer C Green,F Geoffrey N Cloke
Alexander F R Kilpatrick
The reactivity of the bis(pentalene)dititanium double-sandwich compound Ti2Pn†2 (1) (Pn† = 1,4-{SiiPr3}2C8H4) with CO2 is investigated in detail using spectroscopic, X-ray crystallographic, and computational studies. When the CO2 reaction...
Halide-Mediated Ortho-Deprotonation Reactions Applied to the Synthesis of 1,2- and 1,3-Disubstituted Ferrocene Derivatives [0.03%]
钯催化脱氢偶联反应在二芳基铁化合物合成中的应用研究
Afrooz Zirakzadeh,Alexander Herlein,Manuela A Groß et al.
Afrooz Zirakzadeh et al.
The ortho-deprotonation of halide-substituted ferrocenes by treatment with lithium tetramethylpiperidide (LiTMP) has been investigated. Iodo-, bromo-, and chloro-substituted ferrocenes were easily deprotonated adjacent to the halide substit...
Wagner-Meerwein-Type Rearrangements of Germapolysilanes - A Stable Ion Study [0.03%]
沃尔格-米尔文重排反应中的德国多硅烷-一个稳定离子的研究
Lena Albers,Mohammad Aghazadeh Meshgi,Judith Baumgartner et al.
Lena Albers et al.
The rearrangement of tris(trimethylsilyl)silyltrimethylgermane 1 to give tetrakis(trimethylsilyl)germane 2 was investigated as a typical example for Lewis acid catalyzed Wagner-Meerwein-type rearrangements of polysilanes and polygermasilane...
Mohammad Aghazadeh Meshgi,Judith Baumgartner,Christoph Marschner
Mohammad Aghazadeh Meshgi
Oligosilanes with attached silatranyl units were obtained by reactions of potassium oligosilanides with a silatranyl triflate. Interaction between Si and N atoms was observed in the 29Si NMR spectra (upfield-shifted SiO3 resonances) and in ...