MilliporeSigma

Catalytic transformations have become a mainstay in the toolkit of the synthetic and increasing non-synthetic chemist alike. We offer a wide variety of heterogeneous metal catalysts, homogeneous metal catalysts, photocatalysts, and organocatalysts. In addition to different catalyst types, we offer reaction-specific catalysts, including Baran Diversinates™ for C–H activation; Stille, Buchwald–Hartwig, Negishi, Heck, Miyaura–Suzuki, and Sonogashira for cross-coupling reactions; and Grubbs catalysts for olefin metathesis.  

 A flowchart depicting the conversion of palladium precatalysts to an active catalyst. It includes three main sections, each with structural formulas and text annotations.
Buchwald Catalysts & Ligands

Buchwald Catalysts and Ligands are highly active and versatile palladium precatalysts and biarylphosphine ligands used in cross-coupling reactions for the formation of C-C, C–N, C–O, C–F, C–CF3, and C–S bonds.

Photocatalysts
Photocatalysts

Photocatalysis utilizes visible light to activate a chemical reaction. Our extensive portfolio of catalysts and photoreactors enable consistent reactions in photoredox catalysis. 

A schematic representation of a chemical reaction sequence involving a molecule with a directing group (DG) and a functional group (FG).
C–H Activation Catalysts

Our unparalleled portfolio of C–H activation catalysts, auxiliaries, and oxidants provide reliable and predictable conversions of C–H bonds to C–C, C–N, C–O or C–X bonds. 

A chemical reaction scheme where various starting materials undergo transformations in the presence of a palladium catalyst ([Pd]) and a base.
Cross-Coupling Catalysts

We offer an extensive portfolio of nickel and palladium catalysts to aid in the creation of C-C, C-N, and C-O bonds through common cross-coupling reactions. 

Hydrogenation Catalysts
Hydrogenation Catalysts

Find the optimal solution in our comprehensive range of high-quality hydrogenation catalysts for all of your hydrogenation needs.

A detailed chemical diagram showing various synthetic pathways and their efficiencies in enantiomeric excess (ee). It highlights the transformation of a molecule featuring a carbonyl group and a phenyl ring into several complex structures through different organic reactions.
Organocatalysts

Stock your green chemistry toolbox with our exceptional portfolio of organocatalysts for sustainable synthesis of complex molecules in small molecule drug discovery. 

Three examples of chemical reactions facilitated by a metathesis catalyst. Each reaction sequence shows the transformation of initial reactants into products using simple molecular diagrams.
Olefin Metathesis

Explore our exceptional portfolio of olefin metathesis catalysts and take advantage of Grubbs’ technical expertise to advance your research and breakthrough synthesis ideas.

A colorful arrangement of six elements from the periodic table on a blue background. Each element is presented in a separate square with rounded corners, colored in either pink or orange.
Transition Metal Catalysts

Increase the rate of your reactions with our unparalleled portfolio of transition metal catalysts for your organic and organometallic chemistry breakthroughs. 

Phosphine Ligands
Phosphine Ligands

Our diverse portfolio of phosphine ligands includes monodentate, bidentate, chiral ligands, Buchwald, cataCXium® and Dalphos ligands for applications such as Negishi, Suzuki, Stille, Heck, Sonogashira, and Buchwald-Hartwig cross-coupling. 

Chiral Catalysts & Ligands
Chiral Catalysts & Ligands

We are committed to providing unprecedented accessibility to chiral catalysts and ligands for a wide variety of C–H, C–C, C–N, and C–O bond-forming transformations.

Inorganic Catalysts
Inorganic Catalysts

Inorganic catalysts play a key role in many synthetic reactions in industry and academia; our unparalleled portfolio includes common heterogeneous catalysts such as platinum, palladium, ruthenium, and rhodium on carbon or silica.

NHC Ligands & Complexes
NHC Ligands & Complexes

Our stable and tolerable NHC ligands and complexes can be used as efficient ancillary ligands to keep your work flowing in organometallic catalysis and catalysis chemistry research.

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