First examples of the catalytic asymmetric ring-opening of meso 1,2-dioxines utilising cobalt(II) complexes with optically active tetradentate Schiff base ligands: formation of enantio-enriched cyclopropanes

被引:55
作者
Avery, TD [1 ]
Jenkins, NF [1 ]
Kimber, MC [1 ]
Lupton, DW [1 ]
Taylor, DK [1 ]
机构
[1] Univ Adelaide, Dept Chem, Adelaide, SA 5005, Australia
关键词
D O I
10.1039/b109187p
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The combination of chiral cobalt beta-ketoiminato or cobalt salen complexes and meso 1,2-dioxines leads to catalytic asymmetric ring-opening affording enantio-enriched cis gamma-hydroxy enones; subsequent capture by an ylide affords enantio-enriched cyclopropanes.
引用
收藏
页码:28 / 29
页数:2
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