Alcohol oxidation with dioxygen mediated by oxotitanium porphyrin and related transition metal complexes

被引：11
作者：
Du, GD [1 ]
Woo, LK [1 ]
机构：
[1] Iowa State Univ, Dept Chem, Ames, IA 50011 USA
来源：
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES | 2005年 / 9卷 / 03期
关键词：
alcohol; oxidation; cleavage; titanium; oxygen;
D O I：
10.1142/S1088424605000277
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Oxotitanium porphyrin (TTP)Ti = O and related transition metal complexes were shown to catalyze the oxidation of alcohols using dioxygen as the oxidant. Vicinal diols were cleaved to carbonyl compounds in the presence of catalytic amounts of (TTP)Ti = O, (TTP)V = O or (Saldach)V = O. alpha-Hydroxy ketones were oxidized to alpha-diketones with (TTP)Ti = O. Benzyl alcohol was converted to benzaldehyde in modest to high yields by a number of high valent transition metal complexes. Reaction pathways for the transformations mediated by (TTP)Ti = O are discussed. Formation of diolato and enediolato complexes is believed to be the key step in the diol cleavage and alpha-hydroxy ketone oxidation, respectively. Copyright (c) 2005 Society of Porphyrins & Phthalocyanines.
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收藏
页码：206 / 213
页数：8
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