Fig. 5
From: Copper-supported thiol-functionalized cellulose as a paper-based catalyst for imine synthesis

Self-coupling reaction of various amines. Reaction condition: 1.25 mmol amine, 2.5 mmol TBHP, 12.5 mg Cu/S-paper, 5 mL CH3CN, 80 °C in air. NMR yield. [a] Isolated yield.