Aloe Vera Extract-Mediated CuO NPs as Catalysts for the Synthesis of 4-Hydroxy-3-Methoxybenzaldehyde-Connected Piperidine Derivatives and Their Antibacterial Activity

Table 1

Catalyst recyclability.

S. no	Catalyst use	(%) yield
1	1^st	90
2	2^nd	89
3	3^rd	88
4	4^th	87
5	5^th	86
6	6^th	85
7	7^th	84
8	8^th	83
9	9^th	82
10	10^th	81