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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