Formation of silicon-carbon bonds by photochemical irradiation of (eta-C(5)H(5))Fe(CO)(2)SiR(3) and (eta-C(5)H(5))Fe(CO)(2)Me to obtain R(3)SiMe [0.03%]
硅碳键的形成:(η-C5H5)FE(CO)2Sir3和(η-C5H5)FE(CO)2me经光化学照射得到r3SIMe
Skye Fortier,Yongqiang Zhang,Hemant K Sharma et al.
Skye Fortier et al.
Photochemical irradiation of an equimolar mixture of (eta(5)-C(5)H(5))Fe(CO)(2)SiR(3), FpSiR(3), and FpMe leads to the efficient formation of the silicon-carbon coupled product R(3)SiMe, R(3) = Me(3), Me(2)Ph, MePh(2), Ph(3), ClMe(2), Cl(2)...
Regioselective Intermolecular Coupling Reaction of Arylketones and Alkenes Involving C-H Bond Activation Catalyzed by an In-Situ Formed Cationic Ruthenium-Hydride Complex [0.03%]
原位生成的催化量亚胺类配合物催化的通过C-H键活化串联 Noriss重排反应高效合成色满-4-酮类化合物
Chae S Yi,Do W Lee
Chae S Yi
The cationic ruthenium-hydride complex, formed in-situ from the treatment of the tetranuclear ruthenium-hydride complex {[(PCy(3))(CO)RuH](4)(mu(4)-O)(mu(3)-OH)(mu(2)-OH)} with HBF(4).OEt(2), was found to be a highly effective catalyst for ...
Scope and Mechanistic Investigations on the Solvent-Controlled Regio- and Stereoselective Formation of Enol Esters from the Ruthenium-Catalyzed Coupling Reaction of Terminal Alkynes and Carboxylic Acids [0.03%]
钌催化末端炔烃和羧酸的偶联反应中烯醇酯区域选择性和立体选择性形成的范围及机理研究
Chae S Yi,Ruili Gao
Chae S Yi
The ruthenium-hydride complex (PCy(3))(2)(CO)RuHCl was found to be a highly effective catalyst for the alkyne-to-carboxylic acid coupling reaction to give synthetically useful enol ester products. Strong solvent effect was observed for the ...
Computational Studies on the Pt(II)-Catalyzed Cycloisomerization of 1,6-dienes into Bicyclopropanes: A Mechanistic Quandary Evaluated by DFT [0.03%]
密度泛函理论研究Pt(II)催化1,6-二烯环异构化生成双环丙烷的反应机制问题
Franziska Bell,Jason Holland,Jennifer C Green et al.
Franziska Bell et al.
The mechanism of the (bis(phosphanylethyl)phosphane)Pt(2+) catalyzed cyclo-isomerization reaction of 7-methyl-octa-1,6-diene to form 1-isopropylbicyclo[3.1.0]hexane was studied using computational methods. The cyclopropanation step was foun...
On the Mechanism of Pd(0)-Catalyzed, Cu(I) Carboxylate-Mediated Thioorganic-Boronic Acid Desulfitative Coupling. A Non-innocent Role for Carboxylate Ligand [0.03%]
钯(0)催化、铜(i)羧酸介导的有机硫化合物与硼酸去磺化的偶联反应机理研究——羧酸配体的作用探究
Djamaladdin G Musaev,Lanny S Liebeskind
Djamaladdin G Musaev
Computational studies of the mechanism of the Pd-catalyzed, Cu(I)-carboxylate-mediated desulfitative coupling of thioorganics with boronic acids have determined that the requisite Cu(I)-carboxylate plays multiple important roles. The Cu(I)-...
Platinum(II) Enyne Cycloisomerization Catalysis: Intermediates and Resting States [0.03%]
铂(II)炔基环异构化催化:中间体和休眠状态
D Luke Nelsen,Michel R Gagné
D Luke Nelsen
In situ generated [(PPP)Pt][BF(4)](2) (PPP = triphos) catalyzes the cycloisomerization of 1,6-enyne-ols by initiative pi-activation of the alkyne. This generates an isolable cationic Pt-alkenyl species which subsequently participates in tur...
Efficient Dehydrogenation of Amines and Carbonyl Compounds Catalyzed by a Tetranuclear Ruthenium-mu-Oxo-mu-Hydroxo-Hydride Complex [0.03%]
四核钌-μ-超氧基-μ-氢氧化物-氢化物配合物催化胺和羰基化合物的高效脱氢反应
Chae S Yi,Do W Lee
Chae S Yi
The tetranuclear ruthenium-mu-oxo-mu-hydroxo-hydride complex {[(PCy(3))(CO)RuH](4)(mu(4)-O)(mu(3)-OH)(mu(2)-OH)} (1) was found to be a highly effective catalyst for the transfer dehydrogenation of amines and carbonyl compounds. For example,...
Dipolar Second-Order Nonlinear Optical Chromophores Containing Ferrocene, Octamethylferrocene, and Ruthenocene Donors and Strong π-Acceptors: Crystal Structures and Comparison of π-Donor Strengths [0.03%]
含铁ocene、八甲基铁ocene和钌ocene供体及强π-受体的二极偶极二级非线性光学发色团:晶体结构及π-供体强度比较
Tiffany L Kinnibrugh,Seyhan Salman,Yulia A Getmanenko et al.
Tiffany L Kinnibrugh et al.
Crystal structures have been determined for six dipolar polyene chromophores with metallocenyl - ferrocenyl (Fc), octamethylferrocenyl (Fc″), or ruthenocenyl (Rc) - donors and strong heterocyclic acceptors based on 1,3-diethyl-2-thiobarbit...
Quantitative Determination of the Regioselectivity of Nucleophilic Addition to η-Propargyl Rhenium Complexes and Direct Observation of an Equilibrium Between η-Propargyl Rhenium Complexes and Rhenacyclobutenes [0.03%]
η-丙炔基铼配合物中亲核加成的区域选择性的定量测定及与铼环丁烯配合物平衡的直接观察
Charles P Casey,Timothy M Boller,Joseph S M Samec et al.
Charles P Casey et al.
PMe(3) adds selectively to the central carbon of the η(3)- propargyl complex [C(5)Me(5)(CO)(2)Re(η(3)-CH(2)C≡CCMe(3))][BF(4)] (1-t-Bu) to form the metallacyclobutene [C(5)Me(5)(CO)(2)Re(CH(2)C(PMe(3))=CCMe(3))][BF(4)] (7). The rate of re...
Coupling Pd-Catalyzed Alcohol Oxidation to Olefin Functionalization: Hydrohalogenation/Hydroalkoxylation of Styrenes [0.03%]
钯催化醇氧化偶联烯烃官能团化:茋的氢卤化/氢氧基烷基化
Susanne M Podhajsky,Matthew S Sigman
Susanne M Podhajsky
A hydrochlorination reaction of styrenes catalyzed by Pd(II) in combination with Cu(II) was developed, which was followed by an in situ conversion of electron-rich products to an ether in the presence of an alcohol. Mechanistic experiments ...