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Sigma-Aldrich

Grubbs Catalyst® M300

Synonym(s):

Grubbs Catalyst® 3rd Generation, Grubbs Catalyst® M37a (C884), Dichloro[1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene](benzylidene)bis(3-bromopyridine)ruthenium(II), Grubbs Catalyst® C884, [1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]dichloro(phenylmethylene)bis(3-bromopyridine)ruthenium(II), [1,3-Dimesityl-2-imidazolidinylidene]dichloro(phenylmethylene)bis(3-bromopyridine)ruthenium(II)

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About This Item

Empirical Formula (Hill Notation):
C38H40Br2Cl2N4Ru
CAS Number:
Molecular Weight:
884.54
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22

reaction suitability

core: ruthenium
reagent type: catalyst
reaction type: Ring-Opening Polymerization

Quality Level

mp

140 °C (dec.)

storage temp.

2-8°C

SMILES string

Brc1cccnc1.Brc2cccnc2.Cc3cc(C)c(N4CCN(C4=[Ru](Cl)(Cl)=Cc5ccccc5)c6c(C)cc(C)cc6C)c(C)c3

InChI

1S/C21H26N2.C7H6.2C5H4BrN.2ClH.Ru/c1-14-9-16(3)20(17(4)10-14)22-7-8-23(13-22)21-18(5)11-15(2)12-19(21)6;1-7-5-3-2-4-6-7;2*6-5-2-1-3-7-4-5;;;/h9-12H,7-8H2,1-6H3;1-6H;2*1-4H;2*1H;/q;;;;;;+2/p-2

InChI key

YDOACSUCKSODBO-UHFFFAOYSA-L

Application

Labile pyridine ligands result in a very fast initiator (even at 0 °C). Effective in cross metathesis of acrylonitrile. Also effective in RCM and the ROMP production of block copolymers and polymers with narrow PDIs.

Legal Information

Product License
This product, its manufacturing or use, is the subject of one or more issued or pending U.S. Patents (and foreign equivalents) owned or controlled by Umicore PMC. The purchase of this product from Umicore PMC through Sigma-Aldrich, its affiliates or their authorized distributors conveys to the buyer a limited, one-time, non-exclusive, non-transferable, non-assignable license. Buyer′s use of this product may infringe patents owned or controlled by third parties. It is the sole responsibility of buyer to ensure that its use of the product does not infringe the patent rights of third parties or exceed the scope of the license granted herein.

For any further information on product please refer to your local Umicore PMC contact at www.pmc.umicore.com.
Grubbs Catalyst is a registered trademark of Umicore AG & Co. KG

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A practical and highly active ruthenium-based catalyst that effects the cross metathesis of acrylonitrile.
Jennifer A Love et al.
Angewandte Chemie (International ed. in English), 41(21), 4035-4037 (2002-11-02)
Sanford, M. S., et al.
Organometallics, 5314-5314 (2001)
Choi TL, and Grubbs RH.
Aldrichimica Acta, 42(15), 1743-1746 (2003)
Ritter, T., et al.
Organometallics, 5740-5740 (2006)
Takuya Kanemitsu et al.
Organic letters, 5(24), 4541-4544 (2003-11-25)
[reaction: see text] The octenediol linker used during automated oligosaccharide assembly is cleaved by olefin cross-metathesis. Until now, this linker could not be applied to sugars containing azides. A detailed study of the cleavage reaction served as basis for the

Related Content

Research in the Grubbs group has centered on the development and application of a suite of highly active, selective, and bench stable ruthenium alkylidene complexes capable of catalyzing versatile olefin metatheses.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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