Table 1.

Selected examples for sulfide oxidation with H₂O₂.

Entry	Type of sulfide			Catalyst	Oxidant	Solvent	Reaction conditions	Scope and yield	Ref.
	Ar−S−Ar	Ar−S‐alkyl	alkyl‐S‐alkyl
1	yes	yes	yes	NbC (4 mol%)	H2O2 (30 % aq) (4.5 equiv.)	EtOH	60 °C	9 examples 90–99 %	[15a]
2	yes	yes	yes	MnSO4 ⋅ H2O (1 mol%)	H2O2 (30 % aq) (2.0–5.0 equiv.)	MeCN (but also DMF)	NaHCO3 buffer (0.2 m), RT, 0.25–24 h	15 examples 80–100 %	[15b]
3	yes	yes	no	TiO2‐400 (1.25 mol%)	H2O2 (35 % aq) (3.0 equiv.)	MeCN	40–80 °C, 3 h	5 examples 80–99 %	[15c]
4	yes	yes	yes	Fe3O4@BNPs@SiO2−SO3H (0.1 g mmol−1)	H2O2 (30 % aq) (4.0 equiv.)	EtOH	50 °C, 10–45 min	14 examples 90–98 %	[15d]
5	yes	yes	yes	[MoO2(O2)(L)2]2−‐MR (0.1 mol%)	H2O2 (50 % aq) (4.0 equiv.)	MeCN	RT: 100–410 min 78 °C: 35–170 min	12 examples >90 %, TON[a]≈970, TOF:[b] 140–582 h−1 (RT), 345–1680 (78 °C)	[15e]
6	no	yes	yes	(C19H42N)2[MoO(O2)2(C2O4)] ⋅ H2O (2.5 mol%)	H2O2 (40 % aq) (3.0 equiv.)	H2O	RT, 1 min–8 h	18 examples 80–98 %	[15 f]
7	yes	yes	yes	[PO4{WO(O2)2}4]@PIILP (0.5 mol%)	H2O2 (35 % aq) (5.0 equiv.)	MeCN	45 °C, 15 min	7 examples 35–100 %, TOF: 280–800 h‐1	[15 g]
8	no	yes	yes	PDDA‐SiV2W10*[c] (25 mg mmol−1)	H2O2 (30 % aq) (5.0 equiv.)	H2O	25 °C, 2–8 h	7 examples 99 %	[15 h]
9	yes	yes	yes	Amberlyst 15 56 mg mmol−1 sulfide	H2O2 (50 % aq) (3.5 equiv.)	AcOH	50 °C, 40–90 min	6 examples >99 %	[15i]
10	yes	yes	yes	BNPs−SiO2@(CH2)3NHSO3H (70 mol%)	H2O2 (30 % aq) (2.0 equiv.)	EtOH	50 °C, 10–45 min	18 examples 94–98 %, TON≈13–14	[15j]
11	yes	yes	yes	Borax (10 mol%)	H2O2 (35 % aq) (3.0 equiv.)	MeOH	pH=10–11, RT, 2.5–24 h	13 examples 10–95 %	[15k]
12	yes	yes	yes	PhenHTB (20–30 mol%)	H2O2 (30 % aq) (2.0 equiv.)	MeCN−H2O	RT, 25–95 min	10 examples 70–88 %	[15 l]

[a] TON=turnover number. [b] TOF=turnover frequency. [c] PDDA=poly(diallyldimethylammonium chloride).