Výsledky vyhledávání - "Florian Roelfes"

Homo- and Heterodinuclear Head-to-Head or Head-to-Tail Complexes of Rhodium(I) and Iridium(I) with C2,N3 or C8,N9 Bridging Azolato Ligands

Autor: Maximilian Böhmer, Steffen Cepa, Fabian Dielmann, Florian Roelfes, F. Ekkehardt Hahn, Tristan Tsai Yuan Tan

Publikováno v: Organometallics. 38:1982-1990

Reaction of in situ lithiated N-methylimidazole or 1,5,6-trimethylbenzimidazole with [M(cod)(μ-Cl)]2 (M = Rh, Ir) led to the exclusive formation of the homodinuclear head-to-head complexes [2]–[5], where the metal centers are bridged by two C,N-co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1818b63d4bd8aff5011d173b86ddbb94
https://doi.org/10.1021/acs.organomet.9b00074

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Iridium and Rhodium Complexes Containing Enantiopure Primary Amine-Tethered N-Heterocyclic Carbenes: Synthesis, Characterization, Reactivity, and Catalytic Asymmetric Hydrogenation of Ketones

Autor: Robert H. Morris, Kai Y. Wan, Alan J. Lough, F. Ekkehardt Hahn, Florian Roelfes

Publikováno v: Organometallics. 37:491-504

The imidazolium salt [(S,S)-tBuNC3H3NCHPhCHPhNH2]PF6, (S,S)-11·HPF6 is a precursor to the enantiopure “Kaibene” ligand, tBu-Kaibene, (S,S)-11 featuring a tert-butyl group on the N-heterocyclic carbene (NHC) ring-nitrogen atoms. It has been prepa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1b281b63b421afc8d8057f01ab79f458
https://doi.org/10.1021/acs.organomet.7b00915

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Regioselective C8-metalation of N-phosphine tethered adenine derivatives via C8–H activation

Autor: Dirk Brackemeyer, F. E. Hahn, C. Schulte to Brinke, Florian Roelfes

Publikováno v: Dalton Transactions. 46:4510-4513

Two new adenine derivatives bearing a N-methylene (1) or N-ethylene (2) tethered diphenylphosphine group have been reacted with [MIIICl2Cp*]2 (M = Ir, Rh) or [RuIIClCp*]4. The formation of Werner-type phosphine complexes [3]–[6] and upon heating th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a76bd6030582fa0805921cf6e84a80e
https://doi.org/10.1039/c7dt00682a

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Synthesis and Catalytic Applications of Heterobimetallic Carbene Complexes Obtained via Sequential Metalation of Two Bisazolium Salts

Autor: Gregorio Guisado-Barrios, Eduardo Peris, Maximilian Böhmer, F. Ekkehardt Hahn, Tristan Tsai Yuan Tan, Florian Roelfes, Florian Kampert

A simple sequential metalation approach starting from the imidazolium/benzimidazolium salt 4(I)2 yielded the heterobimetallic RhIII/M (M = PdII, IrI , AuI , RuII) complexes [6]− [9]. Alternatively, a symmetrical 1,3-imidazolium substituted benzene

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a6cfa903cff25f801c36b6a1d47b538

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Synthesis of Nanometer-Sized Cylinder-Like Structures from a 1,3,5-Triphenylbenzene-Bridged Tris-NHC Ligand and AgI, AuI, and CuI

Autor: Alexander Hepp, Eduardo Peris, Florian Roelfes, Narayan Sinha, F. Ekkehardt Hahn, Carmen Mejuto

Publikováno v: Organometallics. 33:6898-6904

The metal-controlled self-assembly of nanometer-sized trinuclear cylinder-like assemblies is described. The 1,3,5-triphenylbenzene-derived trisimidazolium salt [1](PF6)3 reacts with 1.5 equiv of Ag2O to yield the trinuclear AgI hexacarbene complex [2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1029b4ef1df6a03d80a25efe20d35588
https://doi.org/10.1021/om500973b

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Single-Step Synthesis of Organometallic Molecular Squares from NR,NR',NR',NR''-Substituted Benzobiscarbenes

Autor: Narayan Sinha, Florian Roelfes, Alexander Hepp, F. Ekkehardt Hahn

Publikováno v: Chemistry (Weinheim an der Bergstrasse, Germany). 23(25)

The single-step multicomponent self-assembly of molecular squares featuring four bridging benzobiscarbenes and four PdII (allyl) or IrI (COD) vertices is presented. Four equivalents of the linear benzobisimidazolium salt [1](PF6 )2 react with two equ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22a4a247d900df0f67c2d4d0eecda49d
https://pubmed.ncbi.nlm.nih.gov/27786392

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Correction: Regioselective C8-metalation of N-phosphine tethered adenine derivatives via C8–H activation

Autor: C. Schulte to Brinke, Florian Roelfes, Dirk Brackemeyer, F. E. Hahn

Publikováno v: Dalton Transactions. 46:6129-6129

Correction for ‘Regioselective C8-metalation of N-phosphine tethered adenine derivatives via C8–H activation’ by D. Brackemeyer et al., Dalton Trans., 2017, DOI: 10.1039/c7dt00682a.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22878200c00ad14be8fb31f0a2ef25de
https://doi.org/10.1039/c7dt90068f

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