ASYMMETRIC EPOXIDATION OF UNFUNCTIONALIZED ALKENES WITH PERIODATES CATALYZED BY CHIRAL (SALEN)MN(III) COMPLEXES

被引：44

作者：

PIETIKAINEN, P

机构：

[1] Department of Chemistry, University of Helsinki, FIN-00014

来源：

TETRAHEDRON LETTERS | 1995年 / 36卷 / 02期

关键词：

D O I：

10.1016/0040-4039(94)02240-C

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Sodium and tetra-n-butylammonium periodates were used as oxidants in the asymmetric epoxidation of unfunctionalized alkenes with chiral (salen)Mn(III) complexes 1-2 together with imidazole as donor ligand. Reaction system used consisted of the alkene, oxidant, donor ligand, and salen in ratios of 1: 2.5: 0.75: 0.06. Both cis- and trans-alkenes were epoxidized with reasonable yield and enantioselectivity (up to 85% ee for 2,2-dimethylchromene).

引用

页码：319 / 322

页数：4

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