International Journal of Inorganic Chemistry / 2008 / Article / Tab 1 / Research Letter
Mechanistic Aspects of Osmium(VIII) Catalyzed Oxidation of L-Tryptophan by Diperiodatocuprate(III) in Aqueous Alkaline Medium: A Kinetic Model Table 1 Effects of [DPC], [L-trp], [OH− ], [
I
O
4
−
], and [Os(VIII)] on the osmium(VIII) catalyzed oxidation of L-trp by DPC in
alkaline medium at 298 K, I = 0.20 mol dm−3 .
105
[
DPC
]
(mol dm−3 ) 104
[
L-trp
]
(mol dm−3 )
[
OH−
]
(mol dm−3 )104
[
I
O
4
−
]
(mol dm−3 ) 106
[
Os(VIII)
]
(mol dm−3 ) 102
𝑘
𝑇
(s−1 ) 103
𝑘
𝑈
(s−1 ) 102
𝑘
𝐶
(s−1 ) Found Calculated 1.0 5.0 0.1 5.0
8.0 1.90
5.84
1.32 1.34
3.0
5.0 0.1 5.0
8.0 1.91 5.81 1.34
1.34 5.0 5.0 0.1 5.0
8.0 1.89
5.70
1.32 1.34 7.0
5.0 0.1 5.0
8.0 1.96 5.75 1.39
1.34 10 5.0 0.1 5.0
8.0 1.89
5.91
1.30 1.34 5.0
1.0
0.1 5.0
8.0 0.61 1.34 0.47
0.44 5.0 3.0 0.1 5.0
8.0 1.45
3.80 1.10 0.99 5.0
5.0
0.1 5.0
8.0 1.89 5.70 1.32
1.34 5.0 7.0 0.1 5.0
8.0 2.28
6.83
1.56 1.54
5.0
10
0.1 5.0
8.0 2.69 8.82 1.81
1.75 5.0 5.0 0.02
5.0
8.0 1.68 8.23
0.87 0.85 5.0
5.0 0.06 5.0
8.0 1.72 6.59 1.05
1.13 5.0 5.0 0.1
5.0 8.0 1.89
5.70
1.32 1.34 5.0
5.0 0.15 5.0 8.0 1.96 5.19 1.45
1.39 5.0 5.0 0.2
5.0 8.0 2.01
4.45
1.56 1.47 5.0
5.0 0.1
1.0 8.0 2.92
11.44
1.77
1.83 5.0 5.0 0.1 3.0 8.0 2.45 8.06 1.64 1.53 5.0
5.0 0.1 5.0 8.0 1.89
5.70 1.32
1.34 5.0 5.0 0.1 7.0 8.0 1.66 4.83
1.18 1.16
5.0
5.0 0.1 10.0 8.0 1.37 3.72 0.99
0.98 5.0 5.0 0.1 5.0
3.0 1.18 5.70
0.61 0.60
5.0
5.0 0.1 5.0
5.0 1.57
5.70 1.00
0.96 5.0 5.0 0.1 5.0
8.0
1.89 5.70 1.32 1.34 5.0
5.0 0.1 5.0
10.0 2.94
5.70 2.37
2.29 5.0 5.0 0.1 5.0 15 4.01 5.70 3.34 3.38
