Efficient Synthesis of Organic Carbonates to the Multigram Level from CO.sub.2 Using a New Chitin-Supported Catalyst

Efficient Synthesis of Organic Carbonates to the Multigram Level from CO.sub.2 Using a New Chitin-Supported Catalyst

A new a chitin-supported KI catalyst system has shown highly efficient activity towards the cycloaddition of CO.sub.2 to epoxides. The cooperative effect of this catalyst system is enhanced when a little amount of DBU as additive is added at a KI:DBU weight ratio of 8:2, which enables scaling-up pro...

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Veröffentlicht in:Catalysis Letters 2017, Vol.147 (9), p.2260
Hauptverfasser: Díaz Velázquez, Heriberto, Guzmán Pantoja, Javier, Meneses Ruiz, Edith, García de León, Roberto, Martínez Palou, Rafael
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Carbonates
Chitin
Esterification
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container_issue 9
container_start_page 2260
container_title Catalysis Letters
container_volume 147
creator Díaz Velázquez, Heriberto
Guzmán Pantoja, Javier
Meneses Ruiz, Edith
García de León, Roberto
Martínez Palou, Rafael
description A new a chitin-supported KI catalyst system has shown highly efficient activity towards the cycloaddition of CO.sub.2 to epoxides. The cooperative effect of this catalyst system is enhanced when a little amount of DBU as additive is added at a KI:DBU weight ratio of 8:2, which enables scaling-up procedures to a multigram level, using a widely available biopolymer such as chitin. Furthermore, the same catalyst composition is able to activate the trans-esterification of propylene carbonate to dimethyl carbonate under smooth reaction conditions using a KI:DBU weight ratio 1:1.
doi_str_mv 10.1007/s10562-017-2123-4
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subjects Carbonates
Chitin
Esterification
title Efficient Synthesis of Organic Carbonates to the Multigram Level from CO.sub.2 Using a New Chitin-Supported Catalyst
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