Resolving alternative structure determinations of indapamide using 13C solid-state NMR.
Resolving alternative structure determinations of indapamide using 13C solid-state NMR.
复制标题
使用 13C 固态 NMR 解析吲达帕胺的替代结构测定。
DOI:
10.1039/d1cc06256e
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Evans CL
中科院分区:
文献类型:
--
作者:
Evans CL
The conflict between alternative crystal structures in the Cambridge Structural Database for the diuretic drug indapamide hemihydrate (IND) has been resolved with the aid of 13C solid-state NMR. IND is seen to contain multiple distinct molecules in the asymmetric unit (Z′ = 4) rather than exhibiting disorder in the orientation of sulfonamide groups. The NMR crystallographic approach is a more effective tool for distinguishing between alternative structures than naïve judgements of quality based on crystallographic refinement agreement factors.
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