Further studies of orientation effects in the Pechmann synthesis of coumarins

被引:0
|
作者
Osborne, AG [1 ]
Andrews, SJ [1 ]
Mower, R [1 ]
机构
[1] Univ Essex, Dept Sci Biol, Colchester CO3 4SQ, Essex, England
来源
关键词
Pechmann synthesis; coumarins;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The proportion of 5-/7- substituted coumarins formed in the Pechmann synthesis from meta-substituted phenols and malic acid and ethyl acetoacetate under a variety of reaction conditions, with product analysis by H-1 and C-13 NMR spectroscopy, is reported.
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页码:114 / 115
页数:2
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