CHROMONE STUDIES .3. NMR ANALYSIS OF ROTATIONAL-ISOMERISM IN 4-OXO-4H-CHROMENE-2-CARBOXAMIDES

被引：9
|
作者：
DAVIDSON, DN [1 ]
KAYE, PT [1 ]
机构：
[1] RHODES UNIV,DEPT CHEM,POB 94,GRAHAMSTOWN 6140,SOUTH AFRICA
来源：
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1991年 / 06期
关键词：
D O I：
10.1039/p29910000927
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Temperature dependent splitting of N-alkyl H-1 and C-13 NMR signals in a series of 4-oxo-4H-chromene-2-carboxamides has been analysed in terms of rotation of the amide group. Rotational barriers have been calculated from dynamic H-1 NMR data and the conformational options have been explored.
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收藏
页码：927 / 930
页数：4
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