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Synthesis of Water-Soluble Catalysts for Olefin Metathesis
KTH, Skolan för kemivetenskap (CHE).
2016 (engelsk)Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgaveAlternativ tittel
Syntes av vattenlösliga katalysatorer för olefinmetates (svensk)
Abstract [en]

The need of efficient and sustainable chemical processes in the field of organic chemistry is essential in order to meet the environmental demands that societies and industries require from us. One key chemical reaction that is widely used in industrial plants is olefin metathesis, a reaction that involves exchange and formation of C-C double bonds. It is a crucial reaction in polymerization reactions and as a means of connecting building blocks together. Consequently it is necessary to enable these reactions to work in aqueous media for increased sustainability and for applications in biochemistry. Carbenes are a class of compounds that constitute a crucial role as ligands in olefin metathesis catalysts. This project will aim to explore the water applicability of a certain category of carbenes, cyclic (alkyl)-(amino)carbenes (CAAC), which recently have caught attention due to their remarkable catalytic activity in organometallic catalysis. The CAAC based catalysis display high stability towards air and moisture, and thus making them attractive alternatives for industrial applications. Throughout the project, synthetic routes towards water soluble CAAC:s have been designed and investigated. Moreover, an approach of evaluating a CAAC-ruthenium catalyst in micellar solutions have been investigated and illustrated promising results regarding activity and stability.

sted, utgiver, år, opplag, sider
2016.
Emneord [en]
Catalysis, Metathesis, Aqueous, Solubility, Carbenes
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-207739OAI: oai:DiVA.org:kth-207739DiVA, id: diva2:1097854
Tilgjengelig fra: 2017-05-23 Laget: 2017-05-23 Sist oppdatert: 2017-05-23bibliografisk kontrollert

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