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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Showing 1 to 2 of 2 (0.05 seconds)

Spelling suggestions: "subject:"eintopfsynthese"" "subject:"harnstoffsynthese""

1

Unusual dimer formation of cyclometalated ruthenium NHC p-cymene complexes

Schleicher, David, Tronnier, Alexander, Leopold, Hendrik, Borrmann, Horst, Strassner, Thomas 27 February 2017 (has links) (PDF)
We present the synthesis and structural characterization of novel ruthenium complexes containing C^C* cyclometalated N-heterocyclic carbene ligands, η6-arene (p-cymene) ligands and one bridging chlorine ion. Complexes of the general formula [Ru(p-cymene)(C^C*)Cl] were prepared via a one-pot synthesis using in situ transmetalation from the correspondent silver NHC complexes. These complexes react with sodium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate (NaBArF4) to form dinuclear complexes of the general structure [Ru(p-cymene)(C^C*)-μ-Cl-(p-cymene)(C^C*)Ru]+[BArF4]−. Solid-state structures confirm that the pseudo-tetrahedral coordination around the metal center with the η6-ligand aligned perpendicularly to the C^C* ligand and the i-Pr group “atop” is retained in the bimetallic complexes.
Strukturcharakterisierung
Eintopfsynthese
Pseudotetrahedrale Koordination
Publikationsfonds
TU Dresden
structural characterization
one-pot synthesis
pseudotetrahedral coordination
TU Dresden
Publishing Fund
ddc:540
rvk:VA 1120
2

Unusual dimer formation of cyclometalated ruthenium NHC p-cymene complexes

Schleicher, David, Tronnier, Alexander, Leopold, Hendrik, Borrmann, Horst, Strassner, Thomas 27 February 2017 (has links)
We present the synthesis and structural characterization of novel ruthenium complexes containing C^C* cyclometalated N-heterocyclic carbene ligands, η6-arene (p-cymene) ligands and one bridging chlorine ion. Complexes of the general formula [Ru(p-cymene)(C^C*)Cl] were prepared via a one-pot synthesis using in situ transmetalation from the correspondent silver NHC complexes. These complexes react with sodium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate (NaBArF4) to form dinuclear complexes of the general structure [Ru(p-cymene)(C^C*)-μ-Cl-(p-cymene)(C^C*)Ru]+[BArF4]−. Solid-state structures confirm that the pseudo-tetrahedral coordination around the metal center with the η6-ligand aligned perpendicularly to the C^C* ligand and the i-Pr group “atop” is retained in the bimetallic complexes.
info:eu-repo/classification/ddc/540
ddc:540

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