A nanosecond laser flash photolysis study of aqueous 4-chlorophenol

被引:31
作者
Durand, AP
Brown, RG
Worrall, D
Wilkinson, F
机构
[1] UNIV CENT LANCASHIRE,DEPT CHEM,PRESTON,LANCS,ENGLAND
[2] LOUGHBOROUGH UNIV TECHNOL,DEPT CHEM,LOUGHBOROUGH LE11 3TU,LEICS,ENGLAND
关键词
laser flash photolysis; 4-chlorophenol;
D O I
10.1016/1010-6030(95)04289-X
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
The mechanism of the aqueous photoreaction of 4-chlorophenol was studied by nanosecond laser flash photolysis. The carbene 4-oxocyclohexa-2,5-dienylidene is formed from the chlorophenol by loss of HCl. This species reacts efficiently with oxygen to form 1,4-benzoquinone-O-oxide which subsequently yields 1,4-benzoquinone, The carbene also undergoes reaction with water and coupling reactions to produce 1,4-hydroquinone and polyhydroxybiphenyls respectively.
引用
收藏
页码:35 / 43
页数:9
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