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Artigo Revisado por pares

Rhett A. Baillie, Peter Legzdins,

... organometallic compounds contain either 14-valence-electron (14e) Cp′M(NO) or 17e Cp′M(NO)2 core fragments [Cp′ = an η5-cyclopentadienyl ... most often η5-C5H5 (Cp) or η5-C5Me5 (Cp*); M = Cr, Mo, or W]. All the complexes originate from Cp′M(NO)(CO)2 which can be readily converted into the precursor complexes Cp′M(NO)2X, Cp′M(NO)X2 (M = Mo, W; X = halide) and [ ... L = Lewis base; X = halide or alkyl), 18e Cp′M(NO)L2 (L = Lewis base), and 16e or 18e Cp′M(NO)(R)(R′) (M = Mo, W; R, R′ = ... has been restricted to transformations in which the Cp′M(NO) and Cp′M(NO)2 scaffolds are ...

Tópico(s): Synthesis and characterization of novel inorganic/organometallic compounds

2015 - Elsevier BV | Coordination Chemistry Reviews

Artigo Acesso aberto Revisado por pares

Yoshihiro Nishioka,

... expression of another cell‐surface peptidase, carboxypeptidase‐M (CP‐M), at human embryo implantation sites, which catalyses biologically active peptides at extracellular sites. CP‐M was immunohistochemically detected on syncytiotrophoblast, but not on ... 12 weeks of gestation). At villus‐anchoring sites, CP‐M was weakly detected on some EVT in the distal part of the cell column. CP‐M was clearly expressed on EVT in the trophoblastic ... In the decidua, almost all interstitial trophoblasts expressed CP‐M. Flow cytometry and RT–PCR showed that CP‐ ...

Tópico(s): Congenital Diaphragmatic Hernia Studies

2003 - Oxford University Press | Molecular Human Reproduction

Artigo Revisado por pares

Max Herberhold, Bertram Schmidkonz,

... reaction of cyclo-octasulfur, S8, with halfsandwich compounds [Cp(*)M(CO)2](THF) (M = Mn, Re; Cp* = C5H5 ... S8 by the nucleophilic 16-electron complex fragments [Cp(*)M(CO)2]. The preparation as well as the ... structural characterization of the 3 types of product, Cp(*)M(CO)2(S2), [Cp(*)M(CO)2]2(μ-S2), and [Cp(*)M(CO)2]2 (μ-S), are described1. Die Reaktion von Cyclo-oktaschwefel, S8, mit Halbsandwich-Verbindungen [Cp(*)M(CO)2](THF) (M = Mn, Re; Cp* = C5H5 ... des Schwefelrings durch die nukleophilen 16-Elektronen-Komplexfragmente [Cp(*)M(CO)2] interpretieren. Es wird eine Übersicht gegeben ...

Tópico(s): Synthesis and characterization of novel inorganic/organometallic compounds

1988 - Elsevier BV | Journal of Organometallic Chemistry

Artigo Acesso aberto Revisado por pares

Shinya Yoshioka, Hiroshi Fujiwara, S. YAMADA, Takahiro Nakayama, Toshihiro Higuchi, Takuya Inoue, Taketoshi Mori, Megumi Maeda,

... study, the expression of membrane-bound carboxypeptidase-M (CP-M), which cleaves carboxyl-terminal amino acids from peptides ... was examined. In growing and pre-ovulatory follicles, CP-M was immunohistochemically detected with weak or moderate intensity on theca interna cells. Although CP-M was not detected on granulosa cells in growing ... patients undergoing in-vitro fertilization treatment, indicating that CP-M was rapidly expressed on granulosa cells during ovulation. In menstrual and pregnant CL, CP-M was clearly detected on luteal cells. In menstrual ...

Tópico(s): Peptidase Inhibition and Analysis

1998 - Oxford University Press | Molecular Human Reproduction

Artigo Revisado por pares

Mark R. Ringenberg, Mark J. Nilges, Thomas B. Rauchfuss, Scott R. Wilson,

... butylphenol (H2tBAtBu). The following 16e complexes were characterized: Cp*M(tBAR) with M = Ir (1F and 1t-Bu), ... bonds. Unlike the charge-neutral precursors, the cationic [Cp*M(tBAR)]+ are Lewis acidic and form well-characterized ... indicate that H2 is oxidized by the monocations [Cp*M(tBAR)]+, not the corresponding dications. Oxidation of H2 ... base at potentials required for the generation of [Cp*M(tBAR)]+. The rate decreases in the order [Cp*M(tBAF)]BArF4 > [Cp*M(tBAF)]PF6 > [Cp*M(tBAt-Bu)]PF6. The reduction of ferrocenium by ...

Tópico(s): Magnetism in coordination complexes

2010 - American Chemical Society | Organometallics

Artigo Revisado por pares

Michael A. Schmid, Helmut G. Alt, Wolfgang Milius,

... of the type (L)(Ind)MCl2 (1: L  Cp, M  Ti; 2: L  Cp, M  Zr; 3: L  Cp∗, M  Zr; 4: L  Cp∗, M  Hf). In combination with methylaluminoxan (MAO), complexes 1– ... Komplexen des Typs (Ind)(L)MCl2 (1: L  Cp, M  Ti; 2: L  Cp, M  Zr; 3: L  Cp∗, M  Zr; 4: L  Cp∗, M  Hf), die in Verbindung mit Methylaluminoxan (MAO) hochaktive ...

Tópico(s): Synthesis and characterization of novel inorganic/organometallic compounds

1996 - Elsevier BV | Journal of Organometallic Chemistry

Artigo Revisado por pares

Bijan Mondal, Ranjit Bag, Sundargopal Ghosh,

... thf], yielded dimetallaboranes, 1 and 2. Isolations of [{Cp*M(CO)}2B4H6] (M = Mo (1) and W(2)) ... the existence of saturated molybdaborane and tungstaborane clusters, [(Cp*M)2B4H10]. Our extensive theoretical studies together with the ... that the intermediate may be a saturated cluster [(Cp#M)2B4H10], not unsaturated [(Cp#M)2B4H8] (Cp# = Cp or Cp*), which was proposed ... orbital analyses showed an increased thermodynamic stability for [(Cp#M)2B4H10] compared to [(Cp#M)2B4H8]. Furthermore, large HOMO–LUMO gap and significant ...

Tópico(s): Radiopharmaceutical Chemistry and Applications

2018 - American Chemical Society | Organometallics

Artigo Revisado por pares

Mahesh Kalidasan, Scott Forbes, Yurij Mozharivskyj, Mohan Rao Kollipara,

... η6-arene)Ru(μ-Cl)Cl]2 and [Cp∗M(μ-Cl)Cl]2 (M = Rh, Ir) with ... arene = C6H6 (1); p-iPrC6H4Me (2); C6Me6 (3); Cp∗, M = Rh (4); Cp∗, M = Ir (5)} where as 4,6-bis(2′- ... arene = C6H6 (6); p-iPrC6H4Me (7); C6Me6 (8); Cp∗, M = Rh, (9); Cp∗, M = Ir, (10) and L = L3 C6H6 (11); p-iPrC6H4Me (12); C6Me6 (13), Cp∗, M = Rh, (14) Cp∗, M = Ir (15)}, respectively. The cationic complexes have been ...

Tópico(s): Metal complexes synthesis and properties

2014 - Elsevier BV | Inorganica Chimica Acta

Artigo Acesso aberto Revisado por pares

B. Schreiner, Barbara Wagner-Schuh, Wolfgang Beck,

The reactions of the chlorido-bridged complexes [Cp*M(Cl)(μ-Cl)] 2 (M = Rh, Ir) with Schiff bases (P-N-O) from 2-(diphenylphosphino)benzaldehyde and α-amino acid esters afford the complexes Cp*M(Cl) 2 (P-N-O) in which the ... These complexes can be converted into cationic complexes [Cp*M(Cl)(P-NO)] + with bidentate P-N ligands by treatment with NH4PF6. The cationic complexes [Cp*M(Cl)(PN- O)] + Cl − have been detected also in solutions of Cp*M(Cl) 2 (P-N-O). The P-N- ... 6 − was characterized by X-ray diffraction. From Cp*M(Cl) 2 (P-N-O) and AgBF 4 ...

Tópico(s): Asymmetric Hydrogenation and Catalysis

2010 - De Gruyter | Zeitschrift für Naturforschung B

Artigo Acesso aberto Revisado por pares

Mark W. Wallasch, Felix Rudolphi, Gotthelf Wolmershäuser, Helmut Sitzmann,

Dimeric tri( tert -butyl)cyclopentadienyliron(II) bromide [Cp m Fe(μ-Br)]2 (1) reacts with phenylmagnesium bromide to give the dinuclear di(cyclohexadienylidene) complex [(Cp m Fe)2(μ,η 5 :η 5 -H ... with mesitylmagnesium bromide either to the dinuclear complex [Cp m Fe-(μ,η 5 :η 1 -C 6 H 2 Me 3 )Fe(Br)Cp m ] (3) or to the mononuclear mesityl complex [Cp m FeC 6 H 2 Me 3 ] (4), depending ... 5 -C 6 H 4 Me)Ni(Br)Cp m ] (5) with a meta -tolyl ligand a significant deviation of the Cp m Fe fragment from a symmetrical position above the ...

Tópico(s): Magnetism in coordination complexes

2009 - De Gruyter | Zeitschrift für Naturforschung B

Artigo Revisado por pares

Kazuya Arashiba, Hidetaka Iizuka, Shoji Matsukawa, Shigeki Kuwata, Yoshiaki Tanabe, Masakazu Iwasaki, Youichi Ishii,

... reaction of the group 9 bis(hydrosulfido) complexes [Cp*M(SH)2(PMe3)] (M=Rh, Ir; Cp*=eta( ... C 5Me5) with the group 6 nitrosyl complexes [Cp*M'Cl2(NO)] (M'=Mo, W) in the presence ... bis(sulfido)-bridged early-late heterobimetallic (ELHB) complexes [Cp*M(PMe3)(mu-S)2M'(NO)Cp*] (2a, M= ... ELHB complexes [(dppe)M(mu-S)2M'(NO)Cp*] (M=Pd, Pt; M'=Mo, W), [(dppp)Pt(mu- ... W), and [(dpmb)M(mu-S)2M'(NO)Cp*] (M=Pd, Pt; M'=Mo, W), respectively. Cyclic voltammetric ... with isolation of the single-electron oxidation products [Cp*M(PMe3)(mu-S)2M'(NO)Cp*][PF6] (M= ...

Tópico(s): Lanthanide and Transition Metal Complexes

2008 - American Chemical Society | Inorganic Chemistry

Artigo Revisado por pares

Weibin Bai, Wentao Xu, Kunlun Huang, Yanfang Yuan, Sishuo Cao, Yunbo Luo,

A novel common primer multiplex PCR (CP-M-PCR) was applied to detect four kinds of meats (chicken, cattle, pig and horse) as raw materials. A common adapter was designed ... and also used as the common primer (CP). CP-M-PCR primers were designed to uncover different length ... The bands of specific DNA fragments amplified by CP-M-PCR method still appeared until the concentration of ... times compared with conventional multiplex PCR without CP. CP-M-PCR detection limit of the DNA samples was ... meat as well as four kinds of meats. CP-M-PCR method simplified the PCR reaction system and ...

Tópico(s): Yersinia bacterium, plague, ectoparasites research

2008 - Elsevier BV | Food Control

Artigo Revisado por pares

Claudio Pettinari, Riccardo Pettinari, F. Marchetti, Alceo Macchioni, Daniele Zuccaccia, Brian W. Skelton, Allan H. White,

... out in acetone solution, complexes of the type [Cp*M(L')Cl]Cl were obtained. However, when L1 ... Cp*MCl(μ-Cl)]2, the formation of [Cp*M(L')Cl][Cp*MCl3] species has been observed. ... methane ligands. The reaction of 1 equiv of [Cp*M(L')Cl]Cl or [Cp*M(L')Cl][Cp*MCl3] with 1 equiv of ... or CF3SO3) in CH2Cl2 allows the generation of [Cp*M(L')Cl]X, whereas the reaction of 1 equiv of [Cp*M(L')Cl] with 2 equiv of AgX yields the dicationic complexes [Cp*M(L')(H2O)][X]2, where single water molecules ...

Tópico(s): Advanced NMR Techniques and Applications

2007 - American Chemical Society | Inorganic Chemistry

Capítulo de livro Revisado por pares

Peter Legzdins, C.B. Pamplin,

Cp*M(NO)(hydrocarbyl)2 complexes (Cp* = η5-C5Me5) of molybdenum and tungsten exhibit hydrocarbyl-dependent thermal chemistry. Thus, gentle thermolysis of appropriate Cp*M(NO)(hydrocarbyl)2 precursors (M = Mo, W) results ... hydrocarbon and the transient formation of 16-electron Cp*M(NO)-containing complexes such as Cp*M-(NO)(alkylidene), Cp*M(NO)(η2-benzyne), Cp*M(NO)(η2-acetylene), and Cp*M(NO)(η2-allene). These intermediates effect single, double, ...

Tópico(s): Inorganic Chemistry and Materials

2004 - American Chemical Society | ACS symposium series

Artigo Revisado por pares

C.B. Pamplin, Peter Legzdins,

Gentle thermolysis of appropriate Cp*M(NO)(hydrocarbyl)2 complexes (Cp* = η5-C5Me5) of molybdenum and tungsten results in loss of hydrocarbon and the transient formation of 16-electron Cp*M(NO)-containing complexes such as Cp*M(NO)(alkylidene), Cp*M(NO)(η2-benzyne), Cp*M(NO)(η2-acetylene), and Cp*M(NO)(η2-allene) (M = Mo, W). These intermediates ...

Tópico(s): Carbon dioxide utilization in catalysis

2003 - American Chemical Society | Accounts of Chemical Research

Artigo Revisado por pares

Young Heui Kim, Tae Ho Kim, Na Young Kim, Eun Sook Cho, Bun Yeoul Lee, Dong Mok Shin, Young Keun Chung,

... Similar reaction of 1 with LMCl3 (L = Cp, Cp*; M = Zr, Hf) gives the desired complexes {2,6-( ... N{2,6-(CHMe2)2-C6H3}MLCl (L = Cp*, M = Zr, 4; L = Cp*, M = Hf, 5; L = Cp, M = Zr, 6) in 79%, 94% and 54% yields, ... N{2,6-(CHMe2)2-C6H3}MLMe (L = Cp*, M = Zr, 7; L = Cp*, M = Hf, 8; L = Cp, M = Zr, 9) in 63%, 69% and 90% yields, ...

Tópico(s): Carbon dioxide utilization in catalysis

2003 - American Chemical Society | Organometallics

Artigo Revisado por pares

Asuka Takayama, Takayoshi Suzuki, Miyu Ikeda, Yukinari Sunatsuki, Masaaki Kojima,

... the ancillary ligand was 2,2′-bipyridine (bpy): [Cp*M(bpy)(MeCN4-κN2)]PF6 (Cp* = η5-C5Me5; M = ... confirmed to have the κN1-coordination of MeCN4−: [Cp*M(ppy)(MeCN4-κN1)] (M = Ir: 3 and Rh: ... Interestingly, both of the heterodinuclear complexes comprised of Cp*M(bpy)2+ and Cp*M′(ppy)+ fragments, [Cp*M(bpy)(μ-MeCN4)M′(ppy)Cp*](PF6)2 ( ... via a η2:η2-intermediate without dissociation of Cp*M(bpy or ppy) fragments.

Tópico(s): Metal-Organic Frameworks: Synthesis and Applications

2013 - Royal Society of Chemistry | Dalton Transactions

Artigo Revisado por pares

Mei‐yung Leung, Isabelle Yee Shan Chan,

... HK expatriate construction professionals working in ML (HKE-CP-M). Due to the dynamic nature of the construction ... work in an unfamiliar environment can cause HKE-CP-Ms stress. Hence, this study aims to explore and ... various types of expatriate stressors that cause HKE-CP-Ms stress. To achieve this aim, six standardized focus ... were held: four expatriate groups comprised of HKE-CP-Ms working in Beijing, Shanghai, Guangzhou, and Macau, respectively; ... group, a stressors model was developed for HKE-CP-Ms. This model was designed to act as the ...

Tópico(s): Occupational Health and Safety Research

2011 - American Society of Civil Engineers | Journal of Construction Engineering and Management

Artigo Revisado por pares

Philip P. Fontaine, Brendan L. Yonke, Peter Y. Zavalij, Lawrence R. Sita,

Chemical reduction of Cp*M[N(i-Pr)C(Me)N(i-Pr)]Cl(3) (Cp* = eta(5)-C(5)Me(5)) (1, M = ... the diamagnetic dinuclear end-on-bridged dinitrogen complexes {Cp*M[N(i-Pr)C(Me)N(i-Pr)]}( ... of CO in toluene provided excellent yields of Cp*M[N(i-Pr)C(Me)N(i-Pr)]( ... 13, M = Mo and 14, M = W) and Cp*M[N(i-Pr)C(Me)N(i-Pr)]( ... support for the electron-rich character of the Cp*M[N(i-Pr)C(Me)N(i-Pr)] ... completed experimentally-derived ligand-centered isostructural series of {Cp*M[N(i-Pr)C(Me)N(i-Pr)]}( ...

Tópico(s): Synthesis and characterization of novel inorganic/organometallic compounds

2010 - American Chemical Society | Journal of the American Chemical Society

Artigo Revisado por pares

Luı́s F. Veiros,

... were studied: piano-stool mono(cyclopentadienyl) complexes, [(η5-Cp)M(CO)3], and bent metallocenes, [(η5-Cp)2M( ... those species and of the reduced complexes, [(η-Cp)M(CO)3]2- and [(η-Cp)(η5-Cp)M(CO)2]+, was analyzed with special emphasis on the (η-Cp)−M coordination. The reduction yielded haptotropic shifts in all cases, but the resulting (η-Cp)−M coordination geometry proved to depend on both the ... reduced species highest occupied molecular orbital (HOMO), a Cp−M π* orbital that becomes occupied with the reduction.

Tópico(s): Asymmetric Hydrogenation and Catalysis

2000 - American Chemical Society | Organometallics

Artigo Revisado por pares

Chip Nataro, Jiabi Chen, Robert J. Angelici,

... of the cyanide ligands in a series of Cp'M(L)2CN complexes were investigated by measuring their ... dichloroethane solution at 25.0 °C to give Cp'M(L)2(CNH)+CF3SO3-, in which the N− ... the same correlation. For a large number of Cp'M(L)2CN complexes (M = Ru, Fe, L2 = mono- ... νCN values parallel νCN values of their protonated Cp'M(L)2(CNH)+ analogues. Also, 31P NMR chemical shifts of the unprotonated Cp'M(PR3)2CN and protonated CpM(PR3)2(CNH)+ ...

Tópico(s): Ferrocene Chemistry and Applications

1998 - American Chemical Society | Inorganic Chemistry

Artigo Revisado por pares

Max Herberhold, Bertram Schmidkonz,

The halfsandwich compounds (Cp*M(CO)2S2 (M = Mn or Re) are oxidized by 3-chloro-perbenzoic acid at the disulfur ligand to give disulfur monoxide complexes, Cp*M(CO)2S2O1 Further oxidation leads to Cp*M(CO)2S2O2. A comparison of the carbonyl stretching ... the order S2 < S2O < S2O2. Die Halbsandwich-Verbindungen Cp*M(CO)2S2 (M = Mn oder Re) werden durch ... Chlor-perbenzoesäure am Dischwefel-Liganden zu Dischwefelmonoxid-Komplexen Cp*M(CO)2S2O oxidiert1. Die weitere Oxidation führt zu Cp*M(CO)2S2O2 (5a, b). Ein Vergleich der Valenzfrequenzen, ...

Tópico(s): Organometallic Complex Synthesis and Catalysis

1986 - Elsevier BV | Journal of Organometallic Chemistry

Artigo Revisado por pares

Yun Liu, Zehua Zhang, Ping Wang, Yuanhua Dong,

... polystyrene beads (CP) were modified by sodium hydride (CP-M) to enhance sulfamonomethoxine (SMM) removal. The surface of CP-M became positive charged after modification. The effects of ... strength, and temperature on removal of SMM by CP-M have been investigated. The pH greatly affected adsorption efficiency, and the amount of SMM adsorbed on CP-M increased at pH levels above its pKa,2 ... the anionic form was more readily adsorbed onto CP-M compared to those in the cationic and neutral ...

Tópico(s): Nanomaterials for catalytic reactions

2016 - Elsevier BV | Journal of the Taiwan Institute of Chemical Engineers

Artigo Acesso aberto Revisado por pares

Fumiyuki Toshimitsu, Naotoshi Nakashima,

... here describe the synthesis of metal-coordination polymers (CP-Ms) composed of a fluorene-bridged bis-phenanthroline ligand ... of a difference in the 'solubility product' of CP-M-solubilized semiconducting SWNTs and metallic SWNTs, we readily separated semiconducting SWNTs. Furthermore, the CP-M polymers on the SWNTs were simply removed by ... the difference of binding and wrapping mode between CP-M/semiconducting SWNTs and CP-M/metallic SWNTs. This study opens a new stage ...

Tópico(s): Graphene research and applications

2014 - Nature Portfolio | Nature Communications

Artigo Revisado por pares

M. Sakamoto, Yasuhiro Ohki, Kazuyuki Tatsumi,

... and iridium complexes bearing a bulky thiolate ligand, [Cp*M(SDmp)](BArF4) (2a, M = Rh; 2b, M = Ir; ... 10-phenanthroline (phen) led to the formation of [Cp*M(SDmp)(bpy)](BArF4) (3a, M = Rh; 3b, M = Ir) or [Cp*M(SDmp)(phen)](BArF4) (4a, M = Rh; 4b, M = ... of CO gave rise to the bis-adducts [Cp*M(SDmp)(L)2](BArF4) (5a, M = Rh, L = ... cationic complexes with an S-arylated thiophene group, [Cp*M(η4-2, 4-R2C4H2S-Dmp)](BArF4) (7a, M = ...

Tópico(s): Asymmetric Hydrogenation and Catalysis

2010 - American Chemical Society | Organometallics

Artigo Revisado por pares

Wei‐Guo Jia, Yuan‐Biao Huang, Guo‐Xin Jin,

Reactions of [Cp∗M(μ-Cl)Cl]2 (M = Ir, Rh; Cp∗ = η5-pentamethylcyclopentadienyl) with bi- or tri-dentate organochalcogen ligands Mbit ( ... formation of the 18-electron half-sandwich complexes [Cp∗M(Mbit)Cl]Cl (M = Ir, 1a; M = Rh, 1b), [Cp∗M(Mbpit)Cl]Cl (M = Ir, 2a; M = Rh, 2b), [Cp∗M(Mbbit)Cl]Cl (M = Ir, 3a; M = Rh, 3b) and [Cp∗M(TmMe)]Cl (M = Ir, 4a; M = Rh, 4b), ...

Tópico(s): Magnetism in coordination complexes

2009 - Elsevier BV | Journal of Organometallic Chemistry

Artigo Revisado por pares

Fabio Zobi, Bernhard Spingler, Roger Alberto,

Abstract We have synthesized the [Cp*M III (CO) 3 Br] + complexes (M = Re, 99 Tc) and studied their basic chemistry in water and in organic solvents in ... based cyclopentadienyl cores for (radio)pharmaceutical applications. The [Cp*M III (CO) 3 Br]Br [M = Re ( 1 ), ... quantitative yield from the reaction of the corresponding [Cp*M I (CO) 3 ] with Br 2 in cold ... redox reactions at room temperature generating the stable [Cp*M III (CO) 3 Br][(CO) 3 M I ( ... and 1a produces a mixture of cis / trans ‐[Cp*M III Br 2 (CO) 2 ] isomers [M = Re ( ...

Tópico(s): Metal complexes synthesis and properties

2008 - Wiley | European Journal of Inorganic Chemistry

Artigo Revisado por pares

Fernando J. A. L. Cruz, José N. Canongia Lopes, Jorge C. G. Calado, Manuel E. Minas da Piedade,

... 2%. The molar heat capacity at constant pressure, Cp,m, in the range 298−1298 K, was estimated ... Hm = (Hm,298 − 298Cp,m) + Cp,mT, yielding Cp,m = 694 ± 68 J·mol-1·K-1, Cp,m = 646 ± 26 J·mol-1·K-1, Cp,m = 530 ± 34 J·mol-1·K-1, and Cp,m = 811 ± 42 J·mol-1·K-1 for ...

Tópico(s): Crystallography and molecular interactions

2005 - American Chemical Society | The Journal of Physical Chemistry B

Artigo Revisado por pares

Irene Ara, Jesús R. Berenguer, Eduardo Eguizábal, J. Forniés, Elena Lalinde, Antonio Martı́n, Francisco Martínez,

... c)) in thf leads to novel bis(alkynyl) [Cp*M(C⋮CR)2(PEt3)] (M = Rh, 3a−c; M = Ir, 4a,c) or mono(alkynyl) [Cp*M(C⋮CR)X(PEt3)] (M = Rh, X = Cl, ... thf = tetrahydrofuran), affording homobridged bis(μ-alkynyl) [(PEt3)Cp*M(μ-C⋮CR)2M'(C6F5)2] (M = Rh, ... c)) or heterobridged μ-alkynyl−μ-halide [(PEt3)Cp*M(μ-C⋮CR)(μ-X)M'(C6F5)2] ( ... PMePh3; R SiMe3, Q = NBu4) and solvento species [Cp*M(PEt3)(acetone)2](ClO4)2 (M = Rh, Ir) ( ...

Tópico(s): Catalytic Cross-Coupling Reactions

1998 - American Chemical Society | Organometallics

Artigo Revisado por pares

Peter Legzdins, Kevin J. Ross, Stephen F. Sayers, Steven J. Rettig,

Treatment of Cp*M(NO)(X)Cl complexes (M = Mo, W; X, = CH2SiMe3, CH2CMe3, NHCMe3, OCMe3, Cl) with lithium phosphides can result ... the ligands of the starting complex. Reactions of Cp*M(NO)(X)Cl with LiPPh2 lead to formation of the respective phosphido-containing complexes Cp*M(NO)(X)(PPh2) [M = W, X = CH2SiMe3 (1), ... When metathesis of the chloro ligands in the Cp*M(NO)Cl2 complexes of Mo and W is ...

Tópico(s): Asymmetric Hydrogenation and Catalysis

1997 - American Chemical Society | Organometallics