Gas-Solid Heterogeneous Postsynthetic Modification of Imine-Based Covalent Organic Frameworks
CHEMISTRY-A EUROPEAN JOURNAL(2020)
Abstract
The copper-catalyzed azide-alkyne cycloaddition (CuAAC) click reaction is among the most extensively used strategies for the post-polymerization modification of COFs. This work shows a new procedure for the postsynthetic functionalization of imine-based COFs by using a heterogeneous solid-gas reaction between alkyne-functionalized COFs and azides in the absence of a copper catalyst. This new alternative represents a step forward towards a greener postsynthetic modification of COFs opening a high potential for the development of new applications.
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Key words
2D materials,click chemistry,covalent organic frameworks,solvent free reactions
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