K_𝟕Na_𝟑P_𝟐W_𝟏𝟖Cu_𝟒O_𝟔𝟖: A Mild, Efficient, and Reusable Catalyst for the One-Pot Synthesis of 1,2,4,5-Tetra Substituted Imidazoles

Table 5

Effect of reused catalyst for the synthesis of (5-a).

Run	Isolated yield (%)
1	92
2	92
3	90
4	85
5	85