Novel Oxidative Desulfurization of a Model Fuel with H₂O₂ Catalyzed by AlPMo₁₂O₄₀ under Phase Transfer Catalyst-Free Conditions

Table 1

ODS processes in the presence of different catalysts using DBT as the sulfur model compound in a biphasic mixture of isooctane/acetonitrile and H₂O₂ as the oxidant^a.

Run	Catalyst	Conversion^b (%)
1	—	—
2	H3PMo12O40	76
3	AlPMo12O40	100
4	H3PW12O40	5
5	AlPW12O40	24

 ^aReaction conditions: DBT (3.19 mmol), catalyst (0.1595 mmol; 5 mol%), H₂O₂ (2.0 mL; 30% w/w; 17.6 mmol), temperature of 60°C, isooctane/acetonitrile (20 mL), and 3-hour reaction. Conversions are the average of the results of three assays; experimental error was equal to 2%.
^bConversion into DBT sulfone determined by GC analyses.