Synthesis and application of a cobalt(II)-incorporated hydrazone-linked covalent organic framework for the synthesis of cyclic carbonates and oxazolidinones via CO2 fixation under solvent-free conditions.
Herein, a hydrazone-linked covalent organic framework (TFPB-OD) was constructed using 1,3,5-tris(4-formylphenyl)benzene (TFPB) and oxalyldihydrazide (OD) monomeric units. Co(II) was embedded via post-synthetic modification, yielding a well-coordinated, nitrogen- and oxygen-rich porous framework, Co(II)-TFPB-OD, for the...