CuO-CeO_𝟐 Nanocomposite: An Efficient Recyclable Catalyst for the Synthesis of Aryl-14H-dibenzo[a-j]xanthenes

Table 2

Recyclability of CuO-CeO₂ nanocomposite.

Run	1	2	3	4	5	6	7	8
Time (min)	15	15	15	18	18	20	20	25
Yield (%)^a	93	93	92	92	92	90	88	88

^aIsolated yield.