PHOTOCHEMICAL REACTIONS OF AZO COMPOUNDS .15. ORTHO/PARA SUBSTITUTION RATIOS IN PHOTOINDUCED REACTIONS OF TRANS-AZOBENZENE WITH ACID CHLORIDES

被引:5
作者
HAMON, DPG
LEWIS, GE
MAYFIELD, RJ
机构
[1] Department of Organic Chemistry, University of Adelaide
关键词
D O I
10.1071/CH9681053
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Irradiation of trans-azobenzene in acetyl chloride, and subsequent hydrolysis-oxidation of the photo product, has been shown to yield a small amount of 2-chloroazo-benzene in addition to 4-chloroazobenzene (main product). Analogous reaction sequences, starting with different acid chlorides, show marked variations in ortho/para substitution ratios; and correlations indicate that the relative extents of ortho and para substitution are associated with the ionizability of the acid chlorides. © 1968 CSIRO. All rights reserved.
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页码:1053 / &
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