Aerobic photocatalytic oxidation of adamantane with heteropolyoxometalates [X(n+)W(12)O(40)](8-n) where X=Si,Co2+,Co3+

被引：8

作者：

Ermolenko, L ^{[1
]}

Giannotti, C ^{[1
]}

机构：

[1] CNRS,INST CHIM SUBST NAT,F-91198 GIF SUR YVETTE,FRANCE

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 1996年 / 114卷 / 1-3期

关键词：

photolysis; dioxygen; heteropolytungstates; adamantane; quantum yield; hydroperoxide; autooxidation;

D O I：

10.1016/S1381-1169(96)00306-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Photolysis (lambda>260 nm) of dioxygen saturated acetonitrile-water (98/2) solution of 1:12 heteropolytungstates [X(n+)W(12)O(40)](8-n) where X = Si (1), Co2+ (2), Co3+ (3) and adamantane give a mixture of adamantanol-1, adamantanol-2 and adamantanone in 4:1:3 ratio. The quantum yields of this photooxidation reaction catalyzed by 1-3 are 5.5 . 10(-3) 4.5 . 10(-3) and 0.8 . 10(-3), respectively. The suggested mechanism envisages the hydroperoxides formation in the solvent cage followed by their photodecomposition to alcohols and ketone.

引用

页码：87 / 91

页数：5

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