Table 2.

The oxidation of different primary alcohols catalysed by (ProH)₃[PW₁₂O₄₀]

Entry	Substrate	Product	Conversion /%	Yield /%	Selectivity /%
1	1-propanol	Propionic acid	87.96	65.62	74.61
2	1-butanol	Butyric acid	85.56	61.38	71.74
3	1-pentanol	Pentanoic acid	82.61	54.03	65.76
4	1-hexanol	Hexanoic acid	80.23	50.87	63.41
5	Benzyl alcohol	Benzyl acid	81.02	63.09	77.87

Reaction conditions: n(substrate) = 10 mmol, n(catalyst) = 0.3 mmol, n(30%H₂O₂) = 30 mmol, 60 °C, 8 h