Table 3.

Reusability performance of NiCu@MWCNT nanohybrids^a.

^aReaction conditions: substrate (1.0 mmol), malononitrile (1.0 mmol) and NiCu@MWCNT nanohybrids (4 mg, %9.2 wt amount of metal), 4 mL of H₂O/CH₃OH (v/v = 1/1) at 25 °C.

^bIsolated yield.