Synthesis and cyclic voltammetric studies of diiron complexes, ER(2)[(eta-C(5)H(4))Fe(L(2))Me](2) (E = C, Si, Ge, Sn; R = H, alkyl; L(2) = diphosphine] and (eta-C(5)H(5))Fe(L(2))ER(2)Fc [Fc = (eta-C(5)H(4))Fe(eta-C(5)H(5))] [0.03%]
二铁配合物ER(2)[(η-C(5)H(4))Fe(L(2))Me](2)(E=C,Si,Ge,Sn;R=H,烷基;L(2)=双膦配体和(η-C(5)H(5))Fe(L(2))ER(2)Fc(Fc=(η-C(5)H(4))Fe(η-C(5)H(5)))的合成及循环伏安研究
Mukesh Kumar,Francisco Cervantes-Lee,Keith H Pannell et al.
Mukesh Kumar et al.
The cyclic voltammetric studies on ER(2)[(eta(5)-C(5)H(4))Fe(L(2))Me](2) (L(2) = dppe; ER(2) = CH(2) (1a), SiMe(2) (2a), GeMe(2) (3a), SnMe(2) (4a) revealed two well resolved reversible waves [(1)E(1/2) = -0.33 V, (2)E(1/2) = -0.20 V (for 1...
Macrocyclic Binucleating β-Diketiminate Ligands and their Lithium, Aluminum, and Zinc Complexes [0.03%]
大环双核β-二酮亚胺配体及其锂、铝和锌配合物
Javier Vela,Liwei Zhu,Christine J Flaschenriem et al.
Javier Vela et al.
The incorporation of rigid aromatic linkers into β-diketiminate ligands creates a binucleating scaffold that holds two metals near each other. This paper discloses the synthesis, characterization, and reactivity of mBin(2-), which has a me...
Neutral and Cationic Alkyl Tantalum Imido Complexes: Synthesis and Migratory Insertion Reactions [0.03%]
中性及阳性的烷基钽亚胺配合物:合成及迁移插入反应
Laura L Anderson,Joseph A R Schmidt,John Arnold et al.
Laura L Anderson et al.
The synthesis and reactivity of dibenzyl cationic tantalum imido complexes is described. The trialkyl tantalum imido compounds Bn(3)Ta=NCMe(3) (1) and Np(3)Ta=NCMe(3) (2) were synthesized as starting materials for the study of dialkyl catio...
Sodium Tetrakis[(3,5-trifluoromethyl)phenyl]borate (NaBArF(24)): Safe Preparation, Standardized Purification, and Analysis of Hydration [0.03%]
四[(3,5-三氟甲基)苯基]硼酸钠(NaBArF(24))的温和制备、标准化提纯及水合物分析
Neal A Yakelis,Robert G Bergman
Neal A Yakelis
A safe, convenient preparation of the reagent sodium tetrakis[(3,5-trifluoromethyl)phenyl]borate (NaBArF(24)) has been devised by utilizing a magnesium-bromine exchange reaction in the absence of metallic magnesium. Purified material was th...
Reactions of Anilines and Benzamides with a Fourteen-Electron Iridium(I) Bis(Phosphinite) Complex: N-H Oxidative Addition versus Lewis Base Coordination [0.03%]
苯胺和苯甲酰胺与十四电子低-valent磷inite配合物的反应:N-H氧化加成与Lewis碱配位反应竞争关系的研究
Alison Cartwright Sykes,Peter White,Maurice Brookhart
Alison Cartwright Sykes
Anilines react with (POCOP)Ir(C(6)H(5))(H), 12, (POCOP = 2,6-(OPtBu(2))(2)C(6)H(3)) to yield equilibrium mixtures of 12, the Ir(I) sigma-complexes (POCOP)Ir(NH(2)Ar), 13, and the Ir(III) oxidative addition adducts (POCOP)Ir(H)(NHAr), 14. Qu...
Zirconium Bis(Amido) Catalysts for Asymmetric Intramolecular Alkene Hydroamination [0.03%]
用于 intramolecular alkene hydroamination 的锆双(氨亚胺)催化剂用于手性氮丙啶的合成
Donald A Watson,Melanie Chiu,Robert G Bergman
Donald A Watson
In situ combination of diphosphinic amides and Zr(NMe(2))(4) results in the formation of chiral zirconium bis(amido) complexes. The complexes are competent catalysts for intramolecular asymmetric alkene hydroamintion, providing piperidines ...
New Enantiomerically Pure Alkylimido Mo-Based Complexes. Synthesis, Characterization, and Activity as Chiral Olefin Metathesis Catalysts [0.03%]
新的光学纯亚氨基甲基钼杂化配合物的制备、表征及催化烯烃元成反应的活性研究
Tatiana S Pilyugina,Richard R Schrock,Peter Müller et al.
Tatiana S Pilyugina et al.
Molybdenum olefin metathesis catalysts that contain aliphatic 1-phenylcyclohexylimido (NPhCy) and 2-phenyl-2-adamantylimido (NPhAd) groups and (S)-Biphen or (R)-Trip)(THF) ligands (Biphen = 3,3'-di-tert-butyl-5,5',6,6'-tetramethyl-1,1'-biph...
You-Moon Jeon,Jungseok Heo,Aaron M Brown et al.
You-Moon Jeon et al.
Through the weak link approach and a halide-induced ligand rearrangement process, semi-open and condensed triple-decker complexes (TDCs) were prepared and fully characterized. These triple-decker structures with tailorable layers through ch...
Diphenylamido Precursors to Bisalkoxide Molybdenum Olefin Metathesis Catalysts [0.03%]
双苯胺钼代烃复分解催化剂的双烷氧基前体物种研究
Amritanshu Sinha,Richard R Schrock,Peter Müller et al.
Amritanshu Sinha et al.
We have found that Mo(NAr)(CHR')(NPh(2))(2) (R' = t-Bu or CMe(2)Ph) and Mo(NAr')(CHCMe(2)Ph)(NPh(2))(2) (Ar = 2,6-i-Pr(2)C(6)H(3); Ar' = 2,6-Me(2)C(6)H(3)) can be prepared through addition of two equivalents of LiNPh(2) to Mo(NR″)(CHR')(OT...
Molybdenum Imido Alkylidene Metathesis Catalysts that Contain Electron Withdrawing Biphenolates or Binaphtholates [0.03%]
含吸电子双酚酸根或二萘酚酸根的钼亚胺基烯烃化元交换催化剂
Rojendra Singh,Constantin Czekelius,Richard R Schrock et al.
Rojendra Singh et al.
We have prepared new Mo(NR)(CHCMe(2)Ph)(diolate) complexes (R = 2,6-i-Pr(2)C(6)H(3), 2,6-Me(2)C(6)H(3), 1-Adamantyl, or 2-CF(3)C(6)H(4)) that contain relatively electron-withdrawing binaphtholate (3,3'-bis-(9-anthracenyl), 3,3'-bispentafluo...