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Chemical name:

(2-(benzyloxy)-3-isopropylbenzylidene)dichloro(1,3-bis(2,6 diisopropylphenyl)imidazolidin-2-ylidene)ruthenium(II)

Product number: AS2143

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  • excellent for CM of internal, type 1 olefins 
  • very good for RCM with sterically non-demanding substrates leading to small/medium rings 
  • good for CM with electron deficient partners 
  • Note: Suitable for reaction in green solvents without degassing and drying 
  • Fast initiating catalyst at ambient temperature  
  • Similar properties to  GreenCat, reaction results may vary depending on conditions or different substrate 

Chemical properties

Chemical formula:


Molecular weight:

800.90 g/mol

Physical state:



dark green

Handling information

Application temperature: RT to 110 °C 

Reaction solvent: toluene, ethyl acetate, dimethyl carbonate, CPME, i-PrOH, neat substrate 

Solvent for stock solution: DCM (preferred), toluene

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.

Any questions about product?

Cengiz Azap, PhD
Chief Commercial Officer
Tel.: (+49) 176 8142 0090