Synthesis and characterization of highly water soluble ruthenium(II) and osmium(II) complexes bearing chelating sulfonated N-heterocyclic carbene ligands

Dominik Jantke; Mirza Cokoja; Alexander Pöthig; Wolfgang A. Herrmann; Fritz E. Kühn

doi:10.1021/om301218k

Synthesis and characterization of highly water soluble ruthenium(II) and osmium(II) complexes bearing chelating sulfonated N-heterocyclic carbene ligands

Dominik Jantke, Mirza Cokoja, Alexander Pöthig, Wolfgang A. Herrmann, Fritz E. Kühn

Technical University of Munich

Research output: Contribution to journal › Article › peer-review

52 Scopus citations

Abstract

The synthesis of highly water soluble ruthenium(II) and osmium(II) complexes based on chelating N-heterocyclic carbene (NHC) ligands bearing sulfonated side chains is reported. The complexes are easily accessible in very good yields via synthesis of silver-bis(NHC) complexes and subsequent reaction with [(p-cymene)MCl₂]₂ (M = Ru, Os). They express high thermal stability and are highly soluble in water (up to 400 mg/mL). The first structurally characterized Ru(II) complex bearing a chelating sulfonated ligand is presented.

Original language	English
Pages (from-to)	741-744
Number of pages	4
Journal	Organometallics
Volume	32
Issue number	3
DOIs	https://doi.org/10.1021/om301218k
State	Published - 11 Feb 2013

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T1 - Synthesis and characterization of highly water soluble ruthenium(II) and osmium(II) complexes bearing chelating sulfonated N-heterocyclic carbene ligands

AU - Jantke, Dominik

AU - Cokoja, Mirza

AU - Pöthig, Alexander

AU - Herrmann, Wolfgang A.

AU - Kühn, Fritz E.

PY - 2013/2/11

Y1 - 2013/2/11

N2 - The synthesis of highly water soluble ruthenium(II) and osmium(II) complexes based on chelating N-heterocyclic carbene (NHC) ligands bearing sulfonated side chains is reported. The complexes are easily accessible in very good yields via synthesis of silver-bis(NHC) complexes and subsequent reaction with [(p-cymene)MCl2]2 (M = Ru, Os). They express high thermal stability and are highly soluble in water (up to 400 mg/mL). The first structurally characterized Ru(II) complex bearing a chelating sulfonated ligand is presented.

AB - The synthesis of highly water soluble ruthenium(II) and osmium(II) complexes based on chelating N-heterocyclic carbene (NHC) ligands bearing sulfonated side chains is reported. The complexes are easily accessible in very good yields via synthesis of silver-bis(NHC) complexes and subsequent reaction with [(p-cymene)MCl2]2 (M = Ru, Os). They express high thermal stability and are highly soluble in water (up to 400 mg/mL). The first structurally characterized Ru(II) complex bearing a chelating sulfonated ligand is presented.

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JF - Organometallics

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ER -

Synthesis and characterization of highly water soluble ruthenium(II) and osmium(II) complexes bearing chelating sulfonated N-heterocyclic carbene ligands

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