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Catalysts

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SlashCat

SlashCat

Chemical name:

(2-((dibenzylamino)methyl)benzylidene)dichloro((1R)-1'-(2,6-diisopropylphenyl)-5',5'-dimethyl-2,3-dihydrospiro[indene-1,3'-pyrrolidin]-2'-yl)ruthenium(II)

Product number: AS2153

Patent number: PCT/EP2021/072809

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Description

Shows unmatched efficiency in ethenolysis: TON = 1260000

 

 

Catalyst Loading [ppm] Conversion Selectivity TON
Reference catalyst 1 41 92 378.000
  0.5 25 94 472.000
  0.25 16 97 604.000
SlashCat 1 60 96 574.000
  0.5 43 98 848.000
  0.25 32 99 1.260.000

 

   

 

*Grubbs 2015, Angew. Chem. Int. Ed. 2015, 54, 1919–1923.

Chemical properties

Chemical formula:

C48H54Cl2N2Ru

Molecular weight:

830.93 g/mol

Physical state:

powder

Color:

green

Handling information

High stability allows catalyst handling on air. Catalyst solution should be used within 2 h from its preparation. Compatible with toluene, ethyl acetate, dimethylcarbonate, neat substrate; the temp. range of 30 to 85°C.

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

  • R. Gawin, A. Tracz, P. Krajczy, A. Kozakiewicz-Piekarz, J. P. Martínez, B. Trzaskowski "Inhibition of the Decomposition Pathways of Ruthenium Olefin Metathesis Catalysts: Development of Highly Efficient Catalysts for Ethenolysis" J. Am. Chem. Soc., 145, 45, 25010–25021 (2023).

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Cengiz Azap, PhD
Chief Commercial Officer
ceng0uao.4fiz.azap@apeiron-synthesis.com
Tel.: (+49) 176 8142 0090