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44297

Sigma-Aldrich

3-Methyl-2-butenylidene-bis(tricyclohexylphosphine)dichlororuthenium

purum, ≥98.0% (C)

Synonym(s):

3-Methyl-2-butenylidene-bis(tricyclohexylphosphine)ruthenium dichloride, Dichloro(3-methyl-2-butenylidene)bis(tricyclohexylphosphine)ruthenium, Grubbs catalyst 3-methyl-2-butenylidene

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About This Item

Empirical Formula (Hill Notation):
C41H74Cl2P2Ru
CAS Number:
194659-03-5
Molecular Weight:
800.95
MDL number:
MFCD04040047
UNSPSC Code:
12352300

grade

purum

Assay

≥98.0% (C)

SMILES string

C/C(C)=C\C=[Ru](\Cl)Cl.C1CCC(CC1)P(C2CCCCC2)C3CCCCC3.C4CCC(CC4)P(C5CCCCC5)C6CCCCC6

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Catalyst for olefin metathesis reactions; Precursor to a second-generation Grubb′s catalyst that is effective to form trisubstituted olefins

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
435508/1

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M S Sanford et al.
Journal of the American Chemical Society, 123(27), 6543-6554 (2001-07-06)
This report details the effects of ligand variation on the mechanism and activity of ruthenium-based olefin metathesis catalysts. A series of ruthenium complexes of the general formula L(PR(3))(X)(2)Ru=CHR(1) have been prepared, and the influence of the substituents L, X, R
J P Morgan et al.
Organic letters, 2(20), 3153-3155 (2000-09-29)
Highly active N-heterocyclic carbene-coordinated catalysts may be synthesized and used in situ, without requiring prior isolation of the catalyst. Activation of this in situ catalyst with ethereal HCl dramatically reduces the reaction times required for high conversions. A variety of

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