Recent Developments in the Synthesis of Cyclic Carbonates from Epoxides and CO2
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The use of CO2 as a C1 building block will be of essential importance in the future. In this context the synthesis of cyclic carbonates from epoxides and CO2 gained great attention recently. These products are valuable compounds in a variety of chemical fields. The development of new catalysts and catalytic systems for this atom-economic, scalable, and industrially relevant reaction is a highly active research field. Over the past 17 years great advances have been made in this area of research. This chapter covers the survey of the important known classes of homogeneous catalysts for the addition of CO2 to epoxides. Besides pioneering work, recent developments and procedures that allow this transformation under mild reaction conditions (reaction temperatures of ≤100 ≤C and/or CO2 pressures of 0.1 MPa) are especially emphasized.
KeywordsCO2 Carbon dioxide Cyclic carbonates 1,3-Dioxolan-2-one Catalysis Homogeneous catalysis Organocatalysis Transition metal catalysis Onium salts Ionic liquids Green chemistry Main group metal catalysis Epoxide
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