The Catalytic Function of Nonheme Iron (III) Complex for Hydrocarbon Oxidation

Table 1

Hydrocarbon oxidations catalyzed by LFeCl with H₂O₂ in CH₃CN under atmospheric air and under Ar.

substrate	products	LFeCl; under Ar^c; Yield (%)	LFeCl; under Ar^c; Total  yield (%)	LFeCl; under  air^c; Yield (%)	LFeCl; under  air^c; Total  yield (%)
Cyclohexene^a	cis-epoxide	6.5		3.5
	2-cyclohexenol	52.0		61.5
	2-cyclohexenone	30.0	88.5	43.2	108.2
1-Methyl-cyclohexene^a	cis-epoxide	20.0		21.0
	1-methyl-2-cyclohexen-1-ol	25.6		22.6
	3-methyl-2-cyclohexen-1-ol	42.0		45.3
	3-methyl-2-cyclohexen-1-one	8.8	96.4	52.0	140.9
Cyclooctene^a	cis- epoxide	37.0	37.0	41.0	41.0
Styrene^b	epoxide	7.5		7.0
	phenyl-acetaldehyde	7.0		3.5
	benzaldehyde	35.0	49.5	94.5	105.0
Methyl-Styrene^b	trans-epoxide	41.9		29.0
	methyl-benzyl-ketone	11.3		2.0
	benzaldehyde	40.0	93.2	90.0	121.0
Cis- stylbene^b	cis-epoxide	15.8		6.0
	benzaldehyde	36.0	51.8	36.0	42.0

aConditions: ratio of catalyst: H₂O₂: substrate= 1 : 20 : 1000. bConditions: ratio of catalyst : H₂O₂ : substrate= 1 : 50 : 1000. c Reactions were completed within 4 h.