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Novel strategy for the synthesis of chiral pseudo-ortho-substituted hydroxy[2.2]paracyclophane-based ligands from the resolved 4-bromo-12-hydroxy[2.2]paracyclophane as a parent compound
被引:41
|作者:
Zhuravsky, Roman
[1
]
Starikova, Zoya
[1
]
Vorontsov, Evgenii
[1
]
Rozenberg, Valeria
[1
]
机构:
[1] Russian Acad Sci, AN Nesmeyanov Organoelement Cpds Inst, Moscow 119991, Russia
基金:
俄罗斯基础研究基金会;
关键词:
D O I:
10.1016/j.tetasy.2007.12.010
中图分类号:
O61 [无机化学];
学科分类号:
070301 ;
081704 ;
摘要:
A simple and efficient resolution of racemic 4-bromo-12-hydroxy[2.2]paracyclophane into its enantiomers via diastereomeric esters with (1S)-(-)-camphanic acid was carried out. New synthetic routes to enantiomerically pure 4,12-dihydroxy- and 4-hydroxy[2.2]paracyclophanes starting from the enantiomers of an intermediate 4-bromo-12-hydroxy[2.2]paracyclophane are proposed. (C) 2008 Elsevier Ltd. All rights reserved.
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页码:216 / +
页数:9
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