EPR detection and characterization of high-valent manganese complexes in MnIII(Salen) catalyzed aerobic olefin epoxidation

被引:19
作者
Bryliakov, KP [1 ]
Khavrutskii, IV [1 ]
Talsi, EP [1 ]
Kholdeeva, OA [1 ]
机构
[1] Boreskov Inst Catalysis, Novosibirsk 630090, Russia
来源
REACTION KINETICS AND CATALYSIS LETTERS | 2000年 / 71卷 / 01期
关键词
aerobic enantioselective epoxidation; Mn(Salen) complexes; intermediates; EPR;
D O I
10.1023/A:1010323308321
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Using EPR, high-valent Mn-IV complexes have been detected in Mukaiyama's catalytic system, Mn-III(Salen)/Isobutyraldehyde/O-2, and shown to form also in the model system Mn-III(Salen)/Peroxyisobutyric acid. Their possible role in alkene epoxidation is discussed.
引用
收藏
页码:183 / 191
页数:9
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