Chiral conjoined cavitands

被引：4
|
作者：
Irwin, JL
Sinclair, DJ
Edwards, AJ
Sherburn, MS [1 ]
机构：
[1] Australian Natl Univ, Res Sch Chem, Canberra, ACT 0200, Australia
[2] Univ Sydney, Sch Chem, Sydney, NSW 2006, Australia
来源：
AUSTRALIAN JOURNAL OF CHEMISTRY | 2004年 / 57卷 / 04期
关键词：
D O I：
10.1071/CH03299
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Tetrabromocavitand bowls are converted into rim-connected hexabromodimers in one step in 17-22% yields by oxidative coupling of higher order arylcuprates. H-1 NMR and single crystal X-ray analyses of the rim-connected dimers reveal a conformationally restricted structure in which the rims of the two cavitand bowls describe planes angled at 78.8degrees to one another. Each of the two bowl cavities are occupied by a guest, in addition to being partially occluded by a portion of the complementary bowl rim. These new host compounds exhibit a very unusual form of enantioisomerism.
引用
收藏
页码：339 / 343
页数：5
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