The catalyst was found to be reusable for at least seven cycles without loss of activity. The catalytic activity of the used catalyst was as good as the freash catalyst, demonstrating the stability of the catalyst (Fig. 4).
The catalyst was found to be reusable for at least sevencycles without loss of activity. The catalytic activity of the usedcatalyst was as good as the freash catalyst, demonstrating thestability of the catalyst (Fig. 4).