3.2.3. Hydroformylation 2467 3.2.4. Dimerization 2468 3.2.5. Oxidative Cleavage and Ozonolysis 2469 3.2.6. Metathesis 2470 4. Terpenes 2472 4.1. Pinene 2472 4.1.1. Isomerization: R-Pinene 2472 4.1.2. Epoxidation of R-Pinene 2475 4.1.3. Isomerization of R-Pinene Oxide 2477 4.1.4. Hydration of R-Pinene: R-Terpineol 2478 4.1.5. Dehydroisomerization 2479 4.2. Limonene 2480 4.2.1. Isomerization 2480 4.2.2. Epoxidation: Limonene Oxide 2480 4.2.3. Isomerization of Limonene Oxide 2481 4.2.4. Dehydroisomerization of Limonene and Terpenes To Produce Cymene 2481

Chemical Routes for the Transformation of Biomass into Chemicals

In recent years, the olefin metathesis reaction has attracted widespread attention as a versatile carbon−carbon bond-forming method. Many new applications have become possible because of major advances in catalyst design. State-of-the-art ruthenium catalysts are not only highly active but also compatible with most functional groups and easy to use. This Account traces the ideas and discoveries that were instrumental in the development of these catalysts, with particular emphasis on (PCy3)2Cl2RuCHPh and its derivatives. The discussion includes an analysis of trends in catalyst activity, a description of catalysts coordinated with N-heterocyclic carbene ligands, and an overview of ongoing work to improve the activity, stability, and selectivity of this family of L2X2RuCHR complexes.

http://web4.uwindsor.ca/users/j/jlichaa/reference.nsf/0/10ff8b04ff3a317885256d88005720f6/$FILE/acr-2001-34-18-metath-grubbs.pdf

The Development of L2X2RuCHR Olefin Metathesis Catalysts: An Organometallic Success Story

Recent advances in olefin metathesis and its application in organic synthesis

The fascinating story of olefin (or alkene) metathesis (eq
1) began almost five decades ago, when Anderson and
Merckling reported the first carbon-carbon double-bond
rearrangement reaction in the titanium-catalyzed polymerization of norbornene. Nine years later, Banks and Bailey reported “a new disproportionation reaction . . . in which olefins are converted to homologues of shorter and longer carbon chains...”. In 1967, Calderon and co-workers named this metal-catalyzed redistribution of carbon-carbon double bonds olefin metathesis, from the Greek word “μeτάθeση”, which means change of position. These contributions have since served as the foundation for an amazing research field, and olefin metathesis currently represents a powerful transformation in chemical synthesis, attracting a vast amount of interest both in industry and academia.

https://core.ac.uk/download/pdf/4884240.pdf

Ruthenium-based heterocyclic carbene-coordinated olefin metathesis catalysts.

The advent of well-defined catalysts for olefin metathesis which combine high activity, durability, and excellent tolerance towards polar functional groups has revolutionized the field. The past decade has seen the rapid embrace of these reagents as tools for advanced organic and polymer chemistry and the success of this development is witnessed by a plethora of elegant applications to the synthesis of natural and nonnatural products. This review article provides an overview of these developments and intends to familiarize the reader with some very recent advances which hold the promise to expand the scope of the reaction even further. Moreover, the positive impact of metathesis on the fundamental logic of retrosynthetic planning is demonstrated by means of typical examples. Finally, it will be shown that metathesis is by no means restricted to alkenes as substrates, and some comments on metathesis reactions following unconventional mechanistic pathways will also be presented.

Olefin Metathesis and Beyond

Report Of The Nato Workshop: "Surface Organometallic Chemistry: Molecular Approaches To Surface Catalysis".- The Surfaces Of Oxides At A Molecular Level.- Reaction Of Organometallics With Surfaces Of Metal Oxides.- Catalytic Reactions Carried Out With Metals Derived From Clusters.- Soluble And Supported Metal Catalysts For Hydrocarbon Oxidation In Liquid And Vapor Phase.- Reactions Of Organometallic Compounds With Surfaces Of Supported And Unsupported Metals.- Low-Nuclearity Metal Clusters: Structure And Reactivity.- Large Molecular Metal Carbonyl Clusters: Models Of Metal Particles.- Molecular Models Of Early Transition Metal Oxides: Polyoxoanions As Organic Functional Groups.- Homogeneous Models For Mechanisms Of Surface Reactions: Propene Ammoxidation.- Organometallic Oxides: Future Models In Catalysis? The Example Of Trioxo(?5-Pentamethylcyclopentadienyl)Rhenium(VII).- Zeolite Synthesis: An Overview.- New Directions In Molecular Sieve Science And Technology.- Recent Advances In Pillared Clays And Group IV Metal Phosphates.- Reaction Of Organometallics With The Surfaces Of Zeolites.

Surface organometallic chemistry : molecular approaches to surface catalysis

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A Cyclometalated Aryloxy(chloro)neopentylidenetungsten Complex: A Highly Active and Stereoselective Catalyst for the Metathesis of cis‐ and trans‐2‐Pentene, Norbornene, 1‐Methyl‐norbornene, and Ethyl Oleate

Michel Leconte

Papers

Surface organometallic chemistry : molecular approaches to surface catalysis

A Cyclometalated Aryloxy(chloro)neopentylidenetungsten Complex: A Highly Active and Stereoselective Catalyst for the Metathesis of cis‐ and trans‐2‐Pentene, Norbornene, 1‐Methyl‐norbornene, and Ethyl Oleate

Surface supported metal cluster carbonyls. Chemisorption decomposition and reactivity of Rh4(CO)12 supported on silica and alumina

A surface organometallic approach to the synthesis of rhenium-based catalysts for the metathesis of olefins: CH3ReO3/Nb2O5

Stereoselectivity of metathesis of various acyclic olefins with chromium-, molybdenum-, and tungsten-based catalysts