Catalysis of Olefin Metathesis

A special issue of Catalysts (ISSN 2073-4344).

Deadline for manuscript submissions: closed (15 November 2017)

Special Issue Editor


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Guest Editor
Dipartimento di Chimica e Biologia “Adolfo Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy
Interests: organometallic chemistry; coordination chemistry; homogeneous catalysis; stereospecific polymerization; NHC-metal complexes; ruthenium-catalyzed olefin metathesis
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Special Issue Information

Dear Colleagues,

Catalytic olefin metathesis is one of the most powerful tools in the arsenal of the synthetic chemist for carbon–carbon bond formations. The continued development of well-defined catalysts has allowed this chemical process to become central to research in a wide variety of fields, including organic synthesis, biochemistry and materials science. The number of metathesis catalysts commercially available, as well as the number of synthetic opportunities, is constantly increasing.  Recent industrial advances in pharmaceutical applications, in the production of specialty chemicals and of valuable chemicals from renewable sources provide concrete evidence of the uptake of this methodology in chemical manufacturing. Moreover, new perspectives and new challenges in catalytic metathesis are emerging from areas of major current activity, including stereoselective transformations, reactions that involve hindered olefins and environmentally friendly processes.

This Special Issue focuses on recent achievements in catalytic olefin metathesis in its many forms. Contributions dealing with catalyst development, applications in organic and polymer chemistry, synthesis of biologically active compounds, green processes, mechanistic studies and theoretical investigations are particularly welcome.  

Dr. Fabia Grisi
Guest Editor

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Keywords

  • catalyst development
  • C–C bond formation
  • polymers
  • organic synthesis
  • natural products
  • stereoselective reactions
  • green chemistry
  • industrial applications
  • mechanistic studies
  • theoretical investigations

Published Papers (2 papers)

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1129 KiB  
Article
In Silico Switch from Second- to First-Row Transition Metals in Olefin Metathesis: From Ru to Fe and from Rh to Co
by Jesús Antonio Luque-Urrutia, Martí Gimferrer, Èric Casals-Cruañas and Albert Poater
Catalysts 2017, 7(12), 389; https://doi.org/10.3390/catal7120389 - 14 Dec 2017
Cited by 15 | Viewed by 3622
Abstract
Density functional theory (DFT) calculations have been used to investigate the behavior of different transition metals from Groups 8 (Fe and Ru) and 9 (Co and Rh) in an already well-known catalytic mechanism, which is based on an Ru(SIMes)(PPh3)Cl2=CH(Ph) [...] Read more.
Density functional theory (DFT) calculations have been used to investigate the behavior of different transition metals from Groups 8 (Fe and Ru) and 9 (Co and Rh) in an already well-known catalytic mechanism, which is based on an Ru(SIMes)(PPh3)Cl2=CH(Ph) complex. As expected, Ru has proven to perform better than their Fe, Co, and Rh counterparts. Even though the topographic steric maps analysis shows no difference in sterical hindrance for any of the metal centers, geometrically, the Fe-based species show a high rigidity with shorter and stronger bonds confirmed by Mayer Bond Orders. The systems bearing Co as a metallic center might present a reactivity that is, surprisingly, too high according to conceptual DFT, which would consequently be a drawback for the formation of the fundamental species of the reaction pathway: the metallacycle intermediate. Full article
(This article belongs to the Special Issue Catalysis of Olefin Metathesis)
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6998 KiB  
Article
Ene-yne Cross-Metathesis for the Preparation of 2,3-Diaryl-1,3-dienes
by Meriem K. Abderrezak, Zahia Kabouche, Christian Bruneau and Cédric Fischmeister
Catalysts 2017, 7(12), 365; https://doi.org/10.3390/catal7120365 - 27 Nov 2017
Cited by 7 | Viewed by 5248
Abstract
Ene-yne cross-metathesis from alkynes and ethylene is a useful method to produce substituted conjugated butadiene derivatives. If this method has been used with aliphatic alkynes, it has however never been used starting from diarylacetylenes as internal alkynes. We show that the ene-yne cross-metathesis [...] Read more.
Ene-yne cross-metathesis from alkynes and ethylene is a useful method to produce substituted conjugated butadiene derivatives. If this method has been used with aliphatic alkynes, it has however never been used starting from diarylacetylenes as internal alkynes. We show that the ene-yne cross-metathesis catalyzed by the second generation Hoveyda ruthenium catalyst provides the 2,3-diarylbuta-1,3-dienes under 3 atm of ethylene at 100 °C. The scope and limitations of the reaction have been evaluated starting from unsymmetrical functionalized diarylacetylene derivatives hence leading to unsymmetrical 2,3-diarylbuta-1,3-dienes in a straightforward and environmentally acceptable manner. Full article
(This article belongs to the Special Issue Catalysis of Olefin Metathesis)
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