Umicore Grubbs Catalyst M204

Umicore Grubbs Catalyst M204


CAS Number: 246047-72-3

Product class: M-P, Homogeneous Catalysts, N-Heterocyclic Carbene Ligands, M-C, Grubbs Catalyst® 2nd Generation, Carbene Ligands, SIMes, Phosphorus Ligands - Achiral

Reaction type: Alkene Metathesis, Acyclic Diene Metathesis, Cross Metathesis, Ring Arrangement Metathesis , Ring Closing Metathesis, Ring Opening Metathesis, Ring Opening Metathesis Polymerization, Self Metathesis

Chemical properties

Chemical formula


Empirical formula


Molecular weight




Theoretical metal content


Physical state




Metal purity


Applications & references

Asymmetric synthesis of new cyclic fluorinated amino-acids

Reference: European Journal of Organic Chemistry, March 2018


Photoinduced strain-assisted synthesis of a stiff-stilbene polymer by ring-opening metathesis polymerization.

Reference: Chem. Eur. J. 2020 (10.1002/chem.20200418)


Facile synthetic route to [3.n]thiacyclophanes via ring-closing metathesis.

Reference: Eur. J. Org. Chem. 2020 (10.1002/ejoc.202000697)


RCM-Based Total Synthesis of the Antibiotic Disciformycin B.

Reference: Angew. Chem. Int. Ed. 2020 (


Sequential two-fold Claisen Rearrangement, One-pot Ring Closing Metathesis and Cross-metathesis as a Route to Substituted Benzo[b]azepine-2-one, Benzo[b]azepine and Benzo[b]oxepine Derivatives.

Reference: Helv Chem Acta 2020 ASAP (


Sequence-regulated vinyl polymers via iterative atom transfer radical additions and acyclic diene metathesis polymerization.

Reference: Polym Chem 2020 ASAP (

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Your contact person

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Horiguchi Yoshiaki

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Chinmay Pandya

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Xiaofang Bi

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Heidi Heuser

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Heidi Heuser

T: +49 (6181) 59 2413

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