Preparation of Fe(II)/MOF-5 Catalyst for Highly Selective Catalytic Hydroxylation of Phenol by Equivalent Loading at Room Temperature

Table 5

Effect of catalyst dosage on the phenol hydroxylation.

Ratio of catalyst to phenol (mass %)	Catechol yield (mass %)	Hydroquinone yield (mass %)	Dihydroxybenzene yield (mass %)	Catechol selectivity (mass %)
0.027	41.4	6.2	47.6	84.7
0.053	53.2	0	53.2	98.6
0.08	45	0	45	97.3
0.107	26.2	0	26.2	97.4