Entry
|
Catalyst
|
Ligands
|
Conv.%
|
Yield of CHLM%
|
---|
1
|
FeCl3
|
Na2S2O8
|
52.2
|
N.D
|
2
|
FeCl3·6H2O
|
Na2S2O8
|
67.3
|
18.6 ± 1.4
|
3
|
FeCl2·4H2O
|
Na2S2O8
|
45.5
|
21.3 ± 5.4
|
4
|
Fe2(SO4)3
|
Na2S2O8
|
58.1
|
13.5 ± 4.6
|
5
|
FePc
|
Na2S2O8
|
> 90
|
N.D
|
6a
|
Fe3+-cit·H2O
|
Na2S2O8
|
100
|
95.3 ± 3.2(88.7 ± 3.3)
|
7
|
Fe3+-cit·H2O
|
Na2S2O3·5H2O
|
87.9
|
81.7 ± 3.5
|
8
|
Fe3+-cit·H2O
|
NaO3V
|
82.0
|
14.2 ± 4.2
|
9b
|
Fe3+-cit·H2O
|
Na2SeO3
|
100
|
18.3 ± 5.2
|
10
|
Fe3+-cit·H2O
|
NaCNBH3
|
100
|
21.3 ± 2.1
|
11c
|
Fe3+cit· H2O
|
Na2S2O8
|
100
|
33.4 ± 2.5
|
12d
|
Fe3+-cit·H2O
|
Na2S2O8
|
97.2 ± 1.3
|
73.2 ± 5.2
|
13
|
Fe3+-cit·H2O
|
–
|
19.7 ± 2.1
|
11.5 ± 1.5
|
14
|
–
|
Na2S2O8
|
100
|
38.2 ± 4.1
|
15
|
Fe3+-cit·H2O
|
Sc(OTf)3
|
54
|
N.D
|
16
|
Fe3+-cit·H2O
|
H2O2
|
80.2 ± 5.5
|
59.4 ± 5.2
|
- Condition: in mixture solvent MeCN/H2O (v/v, 4 mL/1 mL), the 1.0 mmol (316.6 µL), of methyl linoleate was added to the solution containing
Fe(III) citrate -monohydrate 0.05 mmol and Na2S2O8 (6 equiv.). Reaction mixture was stirred 24 h at 80 °C under O2 balloon. Yield determined by HPLC with internal standard
- aIsolated and, determined yield by 1H NMR analysis with internal standard, N.D. = Not detected
- bReaction at 50 °C
- cReaction under Argon
- dReaction under air