FixCat PF₆

FixCat PF₆

Chemical name:

(1,3-bis(2,6-diisopropylphenyl)-4-((4-ethyl-4-methylpiperazin-1-ium-1-yl)methyl)imidazolidin-2-ylidene)dichloro(2-isopropoxybenzylidene)ruthenium(II) hexafluorophosphate

Product number: AS2083

CAS number: 2249721-31-9

Patent number: PCT/EP2013/053967

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Substrate scope similar to classical complexes like nitro-Grela-SIPr or GreenCat. To be used in chlorinated solvent or ethyl acetate (stock solution of catalyst must be prepared in chlorinated solvent eg. DCM). Allows for simple and very efficient removal of residual ruthenium.

Chemical properties

Chemical formula:


Molecular weight:

996,98 g/mol

Physical state:




Handling information

High stability allows catalyst handling on air.

Storage information

Long-term storage (>1 week):

Store under inert gas in a cold place (recommended temp. 2 - 8 °C).

Short-term storage (<1 week):

Store under inert gas at ambient temperature.

Additional references

  • T. K. Olszewski, M. Bieniek, K. Skowerski “Ruthenium-Based Complexes Bearing Quarternary Ammonium Tags as Versatile Catalysts for Olefin Metathesis: From the Discovery to Practical Applications” Org. Process Res. Dev., 24, 2, 125-145, (2020).

  • A. Tracz, A. Gawin, M. Bieniek, T. K. Olszewski, K. Skowerski “Ammonium NHC-​tagged olefin metathesis catalysts - influence of counter-​ions on catalytic activity” New J. Chem., 42, 11, 8609-8614, (2018).

  • K. Skowerski, J. Pastva, S. J. Czarnocki, J. Janoscova “Exceptionally Stable and Efficient Solid Supported Hoveyda-​Type Catalyst” Org. Process Res. Dev., 19, 7, 872-877, (2015).

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