Chiral Conjoined Cavitands
Tetrabromocavitand bowls are converted into rim-connected hexabromodimers in one step in 17-22% yields by oxidative coupling of higher order arylcuprates.1H 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 78.8° 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...[Show more]
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|Source:||Australian Journal of Chemistry|
|01_Irwin_Chiral_Conjoined_Cavi_2004.pdf||263.09 kB||Adobe PDF||Request a copy|
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