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Demonstrates enhanced asymmetric hydrogenation in aqueous phase using novel COFs, suggesting new catalytic applications.
The functionality of covalent organic frameworks (COFs) is usually highly related to their morphologies. Among various morphologies, the hollow-structured COFs have recently attracted intense attention due to their unique properties. Herein, the synthesis of hollow structured COFs are first reported with the chiral internal sites via combining the chiral templating method with the acid etching approach. After Rh(III)-metalation by postsynthetic modification, the generated hollow spherical CCOFs can be powerful chiral nanoreactors to highly promote the asymmetric hydrogenation of acetophenones in aqueous phase under mild conditions. The hollow structured heterosurface CCOFs may open a new way for their application in asymmetric catalysis.
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Wang et al. (2025) studied this question.
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