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UltraCat

UltraCat

Chemical name:

bis(1-(2,6-diethylphenyl)-3,5,5-trimethyl-3-phenylpyrrolidin-2-ylidene)dichloro(3-phenyl-1H-inden-1-ylidene)ruthenium(II)

Product number: AS2086

CAS number: 2055540-61-7

Patent number: PCT/IB2016/054486

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Description

Excellent for CM of terminal, type 1 olefins. Excellent for ethenolysis. Very good for RCM leading to small/medium rings.

 

Catalyst Loading [ppm] GC yield [%] TON
Hov-II 1 (4x0.25) 12 60.000
Gru-II 1 (4x0.25) <1 -
UltraCat 1 (4x0.25) 88 440.000
  0.5 (2x0.25) 66 660.000
  0.25 41 820.000

Ethylene was removed from the reaction mixture by bubbling intert gas.

 

Catalyst Loading [ppm] GC yield [%] TON
UltraCat 0.2 (4x0.05) 84 2.100.000
  0.15 (3x0.05) 75 2.500.000
  0.1 (2x0.05) 59 2.950.000
  0.05 34 3.400.000

Ethylene was removed from the reaction mixture by bubbling intert gas.

Chemical properties

Chemical formula:

C62H71Cl2N3O2Ru

Molecular weight:

1062.22 g/mol

Physical state:

powder

Color:

burgundy

Handling information

High stability allows catalyst handling on air. Catalyst solution should be used within 2 h from its preparation.

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.

Applications

R. Gawin, A. Kozakiewicz, P. A. Guńka, P. Dąbrowski, K. Skowerski “Bis(Cyclic Alkyl Amino Carbene) Ruthenium Complexes: A Versatile, Highly Efficient Tool for Olefin Metathesis” Angew. Chem. Int. Ed., 56, 910, (2017).

 

 

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