The porous crosslinked polymer–iridium composite TTEB@Ir catalyzed the selective synthesis of acylhydrazone and benzenesulfonylhydrazone derivatives

TTEB@Ir, a porous crosslinked polymer-iridium composite, exhibits high catalytic activity for selective N -acylhydrazone and benzenesulfonylhydrazone synthesis, with excellent recyclability. Mechanistic studies elucidated reaction pathways.