Palladacycles: Effective Catalysts for a Multicomponent Reaction with Allylpalladium(II)-Intermediates [0.03%]
含有烯丙基钯(II)中间体的多组分反应的有效催化剂-钯环化合物
Atsushi Shiota,Helena C Malinakova
Atsushi Shiota
Palladium(II) complexes with an auxiliary bidentate ligand featuring one C-Pd bond and a Pd-N-donor bond (palladacycles) have been shown to afford improved yields of homoallylic amines from a three-component coupling of boronic acids, allen...
Synthesis and equilibrium binding studies of cationic, two-coordinate gold(I) π-alkyne complexes [0.03%]
二坐标金(I) π-炔配合物的合成与配位平衡研究
Timothy J Brown,Ross A Widenhoefer
Timothy J Brown
Reaction of a 1:1 mixture of (L)AuCl [L = P(t-Bu)2o-biphenyl or IPr] and AgSbF6 with internal alkynes led to isolation of the corresponding cationic, two-coordinate gold π-alkyne complexes in ≥ 90% yield. Equilibrium binding studies show ...
The synthesis of biologically relevant conjugates of Re(CO)3 using pyridine-2-carboxyaldehyde [0.03%]
利用吡啶-2-甲醛合成具有生物相关性的Re(CO)3缀合物
Roshinee Costa,Kullapa Chanawanno,James T Engle et al.
Roshinee Costa et al.
The new pyridine-2-carboxaldehyde adduct, Re(CO)3(NC6H5C(O)H)Cl 1, and previously reported complex Re(CO)3(NC6H5C(O)H)Br 2 react with aniline derivatives sulfanilamide or 4-aminofluorescein in methanol giving Schiff base conjugates Re(CO)3(...
Reactivity of iron complexes containing monodentate aminophosphine ligands - Formation of four-membered carboxamido-phospha-metallacycles [0.03%]
含单齿胺基磷配体铁配合物的反应性-四元羧胺磷酸金属环的形成
Ozgür Oztopcu,Berthold Stöger,Kurt Mereiter et al.
Ozgür Oztopcu et al.
Treatment of [FeCp(CO)2Cl] with 1 equiv of the amidophosphine ligands Li[R2PNR'] (R = Ph, iPr, R' = iPr, tBu, Cy) afforded complexes of the type [FeCp(CO)(κ2(C,P)-(C = O)-NiPr-PPh2)] (1a), [FeCp(CO)(κ2(C,P)-(C = O)-NtBu-PPh2)] (1b), and [...
Andreas Orthaber,Rolfe H Herber,Rudolf Pietschnig
Andreas Orthaber
The lithiation of ferrocenylphosphane Fc-PH(2) (Fc = -C(5)H(4)FeC(5)H(5)) has been reinvestigated and both Fc-PHLi and Fc-PLi(2) have been identified by NMR-spectroscopy. The lithiated phosphanides have been converted to the corresponding m...
Megan K Pennington-Boggio,Brian L Conley,Travis J Williams
Megan K Pennington-Boggio
Ruthenium(III) chloride hydrate is a convenient catalyst for the addition of active methylene compounds to aryl alkynes. These reactions are rapid, operationally simple, and high yielding in cases. Most significantly, no precautions are req...
Pd(II)-catalyzed ortho arylation of 2-arylbenzothiazoles with aryl iodides via benzothiazole-directed C-H activation [0.03%]
苯并噻唑导向的C-H活化芳基异硫氰酸酯与碘代芳烃的钯催化偶联反应
Qiuping Ding,Huafang Ji,Dan Wang et al.
Qiuping Ding et al.
A novel and efficient method for the arylation of 2-arylbenzothiazoles is described via C-H activation. The desired C(Ar)-C(Ar) bond formation proceeded efficiently with good functional-group tolerance and high regioselectivity. Proposed me...
Bioorganometallic Chemistry of Molybdenocene Dichloride and Its Derivatives [0.03%]
二氯钼杂环倍半碳化物的生物有机金属化学
Enrique Meléndez
Enrique Meléndez
The potential application of metallocene complexes into the cancer research was established by the pioneer work of Köpf-Maeir and Köpf in the late 1970s. The combination of organometallic chemistry and biochemistry created a new research ...
Gold(I)-Catalyzed Enantioselective Intramolecular Hydroamination of Allenes with Ureas [0.03%]
金催化全烯烃与尿素的 enantioselective intramolecular hydroamination 内部氢胺化反应
Hao Li,Seong Du Lee,Ross A Widenhoefer
Hao Li
Enantioselective intramolecular hydroamination of N-allenyl ureas catalyzed by an enantiomerically enriched bis(gold) phosphine complex forms pyrrolidine derivatives in good yield with up to 93% ee.
Grubbs and Hoveyda-Type Ruthenium Complexes Bearing a Cyclic Bent-Allene [0.03%]
含环弯曲烯烃配体格鲁布斯和霍维亚型钌配合物
Alan Dehope,Bruno Donnadieu,Guy Bertrand
Alan Dehope
Stable cyclic bent-allene 1 displaces the chelating ether linkage of the Hoveyda-Grubbs-type ruthenium complex 2 bearing triphenylphosphine. The resulting complex 3 features an unusual cis-arrangement of the phosphine and the cyclic bent-al...