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Organometallic Complex Synthesis and Catalysis
Research Guide
What is Organometallic Complex Synthesis and Catalysis?
Organometallic complex synthesis and catalysis is the preparation of compounds containing bonds between carbon and metals, particularly transition metals, and their application as catalysts in reactions such as olefin metathesis, polymerization, and asymmetric synthesis.
The field encompasses over 121,648 published works focused on developing metal complexes for catalytic transformations. Ruthenium-based catalysts for olefin metathesis, as detailed in 'The Development of L₂X₂RuCHR Olefin Metathesis Catalysts: An Organometallic Success Story' by Trnka and Grubbs (2000), have enabled versatile carbon-carbon bond formation with high activity. Late-metal systems for ethylene polymerization, reviewed by Ittel, Johnson, and Brookhart (2000), support homo- and copolymerization processes.
Research Sub-Topics
Olefin Metathesis Catalysts
This sub-topic focuses on the design, synthesis, and mechanistic studies of ruthenium and molybdenum-based catalysts for olefin metathesis reactions. Researchers investigate ligand effects, stereoselectivity, and applications in ring-closing and cross-metathesis.
Late Transition Metal Polymerization Catalysts
This area examines nickel and palladium catalysts for ethylene and α-olefin polymerization, emphasizing chain-walking mechanisms and branched polymer production. Studies cover catalyst design for controlling polymer microstructure and molecular weight.
Chiral Metallocene Catalysts
Researchers develop zirconocene and hafnocene complexes for stereospecific olefin polymerization, focusing on ligand symmetry and electronic effects for isotactic and syndiotactic polypropylene. Work includes catalyst activation and kinetic studies.
Non-Metallocene Olefin Polymerization Catalysts
This subfield explores post-metallocene systems like phenoxy-imine and pyridyl-amido catalysts for olefin polymerization, studying their single-site behavior and tolerance to polar monomers. Research addresses structure-activity relationships and copolymerization.
Asymmetric Organometallic Catalysis
Studies develop chiral organometallic complexes for enantioselective C-C and C-H bond formations, including hydrogenation, allylation, and conjugate additions. Focus is on ligand optimization and substrate scope expansion.
Why It Matters
Organometallic complexes drive industrial polymer production, with Grubbs' ruthenium catalysts in 'The Development of L₂X₂RuCHR Olefin Metathesis Catalysts: An Organometallic Success Story' (2000, 3504 citations) enabling ring-closing metathesis for pharmaceuticals like the antiviral drug production scaled to tons annually. Brookhart's Pd(II)- and Ni(II)-based catalysts in 'New Pd(II)- and Ni(II)-Based Catalysts for Polymerization of Ethylene and α-Olefins' (1995, 2645 citations) produce branched polyethylene without cocatalysts, impacting commodity plastics manufacturing. Chiral metallocene catalysts from Brintzinger et al. (1995, 2687 citations) yield isotactic polypropylene with >99% stereoregularity, used in automotive and packaging industries.
Reading Guide
Where to Start
'The Development of L₂X₂RuCHR Olefin Metathesis Catalysts: An Organometallic Success Story' by Trnka and Grubbs (2000) provides an accessible entry through its narrative of catalyst evolution from early designs to highly active ruthenium systems, with clear mechanistic insights and applications.
Key Papers Explained
Trnka and Grubbs (2000) established ruthenium olefin metathesis catalysts, which Schwab, Grubbs, and Ziller (1996) refined by varying alkylidene moieties to tune activity. Johnson, Killian, and Brookhart (1995) introduced Pd/Ni catalysts for α-olefin polymerization, expanded in Ittel, Johnson, and Brookhart (2000) to copolymerization reviews. Brintzinger et al. (1995) detailed metallocene stereocontrol, contrasted by Gibson and Spitzmesser (2002) on non-metallocene advances. Kato et al. (1995) applied ruthenium in living radical polymerization, linking metathesis expertise to radical processes.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Recent preprints explore phosphite-bearing Fe₂(CO)₆ azadithiolate clusters for multimetallic assemblies (Torres and Sierra, 2023). Reviews cover organocopper(III) complexes in oxidative addition (Liu Laboratory, 2023) and N-heterocyclic carbene adducts as ligands (Zhong and Yuan, 2023). News highlights ferrocene-based 20-electron complexes challenging valence rules (Takebayashi et al., 2025).
Papers at a Glance
In the News
A new organometallic compound challenges ...
This work was supported by the Japan Society for the Promotion of Science (JSPS), the JSPS Program for Forming Japan's Peak Research Universities, the Instrumental Analysis and Engineering Sections...
Organometallic compound found to break textbook principle
A collaborative effort between researchers in Germany, Japan and Russia has now led to the synthesis of ferrocene-based complexes with 20 valence electrons. ‘[This research] was curiosity driven,’ ...
An 'impossible' 20-electron molecule challenges 100 years ...
This work was supported by the Japan Society for the Promotion of Science (JSPS), the JSPS Program for Forming Japan's Peak Research Universities, the Instrumental Analysis and Engineering Sections...
Organometallic Catalysis: Welcome
Łukasz Banach has been granted funding for his project _Search for the first-row transition metal-based catalytic system for efficient oxidation of hydrocarbons_.\ \
Organometallic Chemistry in Organic Synthesis
We work on the development of organic chemistry, exploring new areas of organometallic chemistry. After our early work on palladium, nickel, ruthenium, and platinum, our most recent contributions h...
Code & Tools
List of**molecules ( small molecules, RNA, peptide, protein, enzymes, antibody, and PPIs) conformations**and**molecular dynamics (force fields)**us...
About This repository contains the code and data for ARCADE (Automated Rational CAtalyst DEsign), a fully automated and interpretable framework for...
MACE is an open source toolkit for the automated screening and discovery of metal complexes. MACE is developed by Ivan Chernyshov as part of the Ev...
Welcome to CatKit! A staging ground for computational tools which are generally useful for catalysis research. The goal of the project is to provid...
SEQCROW is an AaronTools-based plugin for UCSF ChimeraX , a cross-platform 3D molecular graphics program.
Recent Preprints
Organometallics Journal - ACS Publications
Phosphite Bearing [(μ-ADT)RFe2(CO)6] (ADT = Azadithiolate) Moieties: A Tool for the Building of Multimetallic … * Alejandro Torres , * ... and * Miguel A. Sierra* Publication Date (Web) : Fe...
A comprehensive review on organometallic catalysis in ...
Organometallic chemistry occupies a central position at the interface of inorganic and organic chemistry, functioning as a cornerstone of modern synthetic methodology. This comprehensive review pro...
Applied Organometallic Chemistry
Applied Organometallic Chemistry publishes research in all areas of organometallic and metal-organic chemistry involving main group metals, transition metals, lanthanides and actinides. This leadin...
Liu Laboratory
Our research paper “ **Catalytically Relevant Organocopper(III) Complexes Formed through Aryl-Radical-Enabled Oxidative Addition** **”** has been published in **_J. Am. Chem. Soc._**! Congratulatio...
Organometallic - RSC Advances (RSC Publishing)
[ Open Access \ Review Article **Recent advances in the use of N-heterocyclic carbene adducts of N, P, C elements as supporting ligands in organometallic chemistry** \ Mingdong Zhong and Minyi Yuan...
Latest Developments
Recent developments in organometallic complex synthesis and catalysis research include high-throughput methods for creating and testing metal complexes, such as potent new metalloantibiotics and highly active catalysts demonstrated in 2025 (Nature, May 2025) (Result 4), advancements in the catalytic synthesis of compounds like 5-substituted 1H-tetrazoles (RSC Advances, 2025) (Result 3), and the ongoing organization of major conferences such as the 2026 GRC on Organometallic Chemistry focusing on new approaches and multidisciplinary strategies (Result 6).
Sources
Frequently Asked Questions
What are key ruthenium catalysts for olefin metathesis?
Trnka and Grubbs (2000) developed L₂X₂RuCHR catalysts in 'The Development of L₂X₂RuCHR Olefin Metathesis Catalysts: An Organometallic Success Story', which are highly active and compatible with functional groups. These catalysts facilitate carbon-carbon bond formation in ring-closing and cross-metathesis reactions. The paper reports state-of-the-art performance with 3504 citations.
How do late-metal catalysts polymerize ethylene?
Ittel, Johnson, and Brookhart (2000) reviewed late-metal catalysts for ethylene homo- and copolymerization in their Chemical Reviews paper with 3084 citations. These Pd and Ni systems produce branched polymers directly from ethylene. They operate under mild conditions without additional chain-transfer agents.
What enables living radical polymerization of methyl methacrylate?
Kato et al. (1995) demonstrated living radical polymerization using the CCl₄/RuCl₂(PPh₃)₃/MAO initiating system in their Macromolecules paper (2962 citations). This ruthenium-based method achieves narrow polydispersity and controlled molecular weights. The system allows reactivation of dormant species for chain extension.
What are non-metallocene catalysts for olefin polymerization?
Gibson and Spitzmesser (2002) advanced non-metallocene catalysis in their Chemical Reviews article (2493 citations), covering late-transition metal systems. These catalysts tolerate polar monomers and produce branched polymers. Examples include diimine and pyridyl-amine ligands with Ni and Fe centers.
How do metallocene catalysts achieve stereospecific polymerization?
Brintzinger et al. (1995) explained stereospecific olefin polymerization with chiral metallocene catalysts in their Angewandte Chemie paper (2687 citations). Single-site zirconocene centers control tacticities like isotactic and syndiotactic polypropylene. The mechanism involves coordinated anion effects on monomer insertion.
What influences alkylidene moiety in ruthenium metathesis catalysts?
Schwab, Grubbs, and Ziller (1996) synthesized RuCl₂(CHR')(PR₃)₂ complexes and showed alkylidene substituents affect metathesis activity in their JACS paper (2088 citations). Para-substituted arylidenes modulate reactivity. Electron-withdrawing groups enhance initiation rates.
Open Research Questions
- ? How can earth-abundant metals replace noble metals like Ru and Pd in metathesis and polymerization catalysts while maintaining activity?
- ? What ligand designs enable selective branched polyethylene from ethylene without comonomers in late-transition metal systems?
- ? Can controlled ring-opening polymerization mechanisms from lactide catalysts be extended to sustainable polyester production at scale?
- ? How do electronic effects of alkylidene substituents predict metathesis catalyst initiation and propagation rates?
- ? What structural modifications in non-metallocene catalysts improve functional group tolerance for copolymerizing polar monomers?
Recent Trends
Preprints from 2023 report phosphite-modified [(μ-ADT)RFe₂(CO)₆] clusters for multimetallic synthesis (Torres and Sierra) and catalytically relevant organocopper(III) complexes via aryl-radical addition (Liu Laboratory).
Reviews emphasize earth-abundant metals replacing Pd/Ru (2025 comprehensive review) and NHC adducts in organometallics (Zhong and Yuan).
News covers 20-electron ferrocene complexes defying textbook principles (Takebayashi, Okinawa Institute, 2025), with funding for first-row metal hydrocarbon oxidation (Banach, 2025).
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