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330 Newest Publications about the topic solution

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Unusual Benzyl Migration Reactivity in NHC-Bearing Group 4 Metal Chelates: Synthesis, Characterization, and Mechanistic Investigations

29-Sep-2015 | Charles Romain; David Specklin; Karinne Miqueu; Jean-Marc Sotiropoulos; Christophe Fliedel; Stéphane Bellemin-Laponn ..., Organometallics, 2015

The reaction of 1 equiv of [M(CH2Ph)4] (M = Zr, Hf) and 1,3-bis(3,5-di-tert-butyl-2-hydroxyphenyl)imidazolinium chloride [tBu(OCO)H3, 1] cleanly yielded the corresponding M-NHC chloro benzyl derivatives [[tBu(OCO)]M(Cl)(CH2Ph)] (2Zr and 2Hf) along with 3 equiv of toluene. For both metal ...


Synthesis and Reactivity of Manganese(II) Complexes Containing N-Heterocyclic Carbene Ligands

24-Sep-2015 | Malik H. Al-Afyouni; V. Mahesh Krishnan; Hadi D. Arman; Zachary J. Tonzetich, Organometallics, 2015

A series of manganese(II) complexes containing aryl-substituted N-heterocyclic carbene (NHC) ligands have been synthesized and characterized. Chloride complexes of Mn(II) containing the NHC ligands 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene (IPr) and 1,3-dimesitylimidazol-2-ylidene (IMes) ...


Direct Detection, Dimerization, and Chemical Trapping of Dimethyl- and Diphenylstannylene from Photolysis of Stannacyclopent-3-enes in Solution

22-Sep-2015 | Ian R. Duffy; William J. Leigh, Organometallics, 2015

Dimethyl- and diphenylstannylene (SnMe2 and SnPh2, respectively) have been successfully detected and characterized in solution. The stannylenes were generated by photolysis of 1,1,3-trimethyl-4-phenyl- (2) and 3,4-dimethyl-1,1-diphenylstannacyclopent-3-ene (3), respectively, which have been shown ...


Metal Effects on the Asymmetric Cycloaddition Reaction between 3,4-Dimethyl-1-phenylphosphole and Sulfoxide

22-Sep-2015 | Mengtao Ma; Na Zhang; Yongxin Li; Sumod A. Pullarkat; Pak-Hing Leung, Organometallics, 2015

The orthometalated [1-(dimethylamino)ethyl]naphthalene platinum(II) complex has been used successfully to promote the asymmetric cycloaddition reaction between 3,4-dimethyl-1-phenylphosphole and sulfoxide in high selectivity. The exo-cycloadduct coordinated to the platinum template as bidentate ...


Phenoxy-Linked Mesoionic Triazol-5-ylidenes as Platforms for Multinuclear Transition Metal Complexes

17-Sep-2015 | Daniel Mendoza-Espinosa; Rodrigo González-Olvera; Guillermo E. Negrón-Silva; Deyanira Angeles-Beltrán; Oscar R. Suár ..., Organometallics, 2015

The preparation and full characterization of a variety of mono- ([L1-H]), di- ([L2-H2], [L2A-H2]), and tri- ([L3-H3]) 1,2,3-triazolium salts constructed form “clicked” hydroxybenzene derivatives are reported. Deprotonation with potassium hexamethyldisilazide, followed by in situ metalation, ...


Stability and Reactivity of 1,3-Benzothiaphosphole: Metalation and Diels–Alder Chemistry

08-Sep-2015 | Joshua C. Worch; Erich Hellemann; Gabrielle Pros; Chakicherla Gayathri; Tomislav Pintauer; Roberto R. Gil; Kevin J. ..., Organometallics, 2015

The synthesis and functionalization of the parent 1,3-benzothiaphosphole is reported. The phosphole could not be isolated, but the compound could be manipulated in solution to produce several new phosphorus compounds. Metalation of the 2-position using lithium diisopropylamide proceeded smoothly ...


Halogen Photoelimination from Monomeric Nickel(III) Complexes Enabled by the Secondary Coordination Sphere

04-Sep-2015 | Seung Jun Hwang; Bryce L. Anderson; David C. Powers; Andrew G. Maher; Ryan G. Hadt; Daniel G. Nocera, Organometallics, 2015

Endothermic halogen elimination reactions, in which molecular halogen photoproducts are generated in the absence of chemical traps, are rare. Inspired by the proclivity of mononuclear Ni(III) complexes to participate in challenging bond-forming reactions in organometallic chemistry, we targeted ...


Iridium Complexes of the Conformationally Rigid IBioxMe4 Ligand: Hydride Complexes and Dehydrogenation of Cyclooctene

02-Sep-2015 | Simone A. Hauser; Ralf Tonner; Adrian B. Chaplin, Organometallics, 2015

A method for accessing the formally 14 VE iridium(III) hydride fragment {Ir(IBioxMe4)2(H)2}+ (2), containing the conformationally rigid NHC ligand IBioxMe4, is reported. Hydrogenation of trans-[Ir(IBioxMe4)2(COE)Cl] (1) in the presence of excess Na[BArF4] leads to the formation of dimeric ...


Three-Coordinate Iron(II) Dialkenyl Compound with NHC Ligation: Synthesis, Structure, and Reactivity

27-Aug-2015 | Yuesheng Liu; Lei Wang; Liang Deng, Organometallics, 2015

The reaction of [(IPr2Me2)2FePh2] with PhC≡CPh furnished a three-coordinate iron(II) dialkenyl complex, [(IPr2Me2)Fe(σ-CPh═CPh2)2] (1, IPr2Me2 = 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene), that represents a rare example of isolable low-coordinate iron alkenyl complexes with a high-spin ...


Selective Carbon–Carbon Bond Activation of Oxirane by a Bisphosphine Pt(0) Complex—A Theoretical Study

26-Jul-2015 | Philipp N. Plessow; Jorge J. Carbó; Ansgar Schäfer; Peter Hofmann, Organometallics, 2015

Platinum(0) complexes with the chelate ligand bis(di-tert-butylphosphino)methane, tBu2P-CH2-PtBu2 (dtbpm), generated in solution from appropriate precursors, are the only known transition metal species that selectively activate epoxides (oxiranes) by inserting the Pt fragment into their ...


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