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OPTICALLY-ACTIVE BETA-KETOIMINATO MANGANESE(III) COMPLEXES AS EFFICIENT CATALYSTS IN ENANTIOSELECTIVE AEROBIC EPOXIDATION OF UNFUNCTIONALIZED OLEFINS
被引:28
作者:
NAGATA, T
IMAGAWA, K
YAMADA, T
MUKAIYAMA, T
机构:
[1] MITSUI PETROCHEM IND CO LTD,BASIC RES LABS ORGAN SYNTH,SODEGAURA,CHIBA 29902,JAPAN
[2] SCI UNIV TOKYO,FAC SCI,DEPT APPL CHEM,SHINJUKU KU,TOKYO 162,JAPAN
关键词:
CATALYSIS;
ENANTIOSELECTIVITY;
EPOXIDATION;
MANGANESE COMPLEXES;
X-RAY DIFFRACTION;
OXIDATION;
ASYMMETRIC SYNTHESIS;
MOLECULAR OXYGEN;
D O I:
10.1016/0020-1693(94)03880-5
中图分类号:
O61 [无机化学];
学科分类号:
070301 ;
081704 ;
摘要:
A novel manganese(III) complex having an optically active N,N'-ethylenebis-beta-ketoimine ligand was prepared and characterized crystallographically. The manganese(III) complexes behave as effective catalysts in enantioselective epoxidation of unfunctionalized olefins by combined use of molecular oxygen, an oxidant, and pivalaldehyde, a reductant. Dihydronaphthalene derivatives were converted into the corresponding optically active epoxides with good to high enantioselectivities.
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页码:283 / 287
页数:5
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