核磁共振技术测定联萘酚的对映体纯度
奚忠华, 陆大东, 戴洁, 叶涛, 章文伟
Determination of Enantiomeric Purity of Binaphthol by NMR Method
Zhonghua Xi, Dadong Lu, Jie Dai, Tao Ye, Wenwei Zhang
表3
联萘酚学生样品测试结果
No.
HPLC
1
H NMR
ee
差值
R
%
ee
R
%
ee
1
96.8
93.6%
97.5
95.0%
1.4%
2
12.2
?75.6%
10.9
?78.2%
?2.6%
3
48.6
?2.8%
47.5
?5.0%
?2.2%