ENANTIOSELECTIVE EPOXIDATION OF UNFUNCTIONALIZED OLEFINS WITH MOLECULAR-OXYGEN AND ALDEHYDE CATALYZED BY OPTICALLY-ACTIVE MANGANESE(III) COMPLEXES

Enantioselective epoxidation of unfunctionalized olefins with combined use of molecular oxygen, an oxidant, and pivalaldehyde, a reductant, was demonstrated in the presence of a catalytic amount of optically active Mn(III)-salen complexes. Dihydronaphthalene derivatives were converted into the corre...

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Bibliographic Details
Published inChemistry letters no. 11; pp. 2231 - 2234
Main Authors YAMADA, T, IMAGAWA, K, NAGATA, T, MUKAIYAMA, T
Format Journal Article
LanguageEnglish
Published TOKYO Chemical Soc Japan 01.11.1992
Subjects
Chemistry
Chemistry, Multidisciplinary
Physical Sciences
Science & Technology
ANALOG
STEREOSELECTIVE EPOXIDATION
PORPHYRINS
ASYMMETRIC EPOXIDATION
IRON COMPLEXES
NICKEL(II) COMPLEXES
DERIVATIVES
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Summary:Enantioselective epoxidation of unfunctionalized olefins with combined use of molecular oxygen, an oxidant, and pivalaldehyde, a reductant, was demonstrated in the presence of a catalytic amount of optically active Mn(III)-salen complexes. Dihydronaphthalene derivatives were converted into the corresponding optically active epoxides in good yields with 60-77% enantiomeric excesses.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.1992.2231