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Issue:
Chirality codes and applications
Author(s):
Zhang Qingyou
,
Jo(a)o Aires-de-Sousa
,
Xu Lu
Pages:
733
-
736
Year:
2008
Issue:
6
Journal:
COMPUTERS AND APPLIED CHEMISTRY
Keyword:
手性构效关系研究
;
手性拓扑指数
;
构象独立手性指数
;
构象依赖手性指数
;
原子构象依赖手性指数
;
Abstract:
该工作对手性化合物的构效关系进行了研究,其内容包括:(1)对二维拓扑指数Ami进行了扩展,即在指数的衍生中加入手性碳原子的因素,使之成功地应用于14个手性化合物活性的预测;(2)描述了构象独立的手性指数(CICC法)和构象依赖的手性指数(CDCC法),采用CDCC和CICC预测了80个二级醇的1H NMR化学位移差的符号,并由此可以确定该类化合物的绝对构型;(3)描述了原子构象依赖的手性指数(aCDCC),并将这种方法用于手性仲醇的α-碳原子的13C NMR在不同手性溶剂中的化学位移差的预测,获得了满意的结果.
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