THIN-LAYER CHROMATOGRAPHIC BEHAVIOR OF SOME COMMON MACROCYCLIC POLYETHERS

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作者
LUCA, C
JOSCEANU, AM
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中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The thin layer chromatographic behaviour of common crown ethers has been Studied, pointing out unexpected features. Under certain experimental conditions the chromatographic spot is splitted up, as a consequence of the thermodymanic equilibrium established between conformers. Thin layer chromatography proves to be proper for searching the way a macrocyclic synthesis is carried out, but improper for determining the polyether purity.
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页码:1197 / 1204
页数:8
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