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Enantioselective Epoxidation
No.126(August 2007)
- B2409
- (1S,2S)-N,N'-Bis[(R)-2-hydroxy-2'-phenyl-1,1'-binaphthyl-3-ylmethylene]-1,2-diphenylethylenediaminato Manganese(III) Acetate (1) (*This product is discontinued.)
Katsuki et al. have reported that the chiral salen-Mn(III) complex 1 is useful as a
catalyst for enantioselective epoxidation of conjugated cis-olefins.1) Complex 1 is oxidized
with iodosobenzene as co-oxidant to generate oxo(salen)-Mn(V) complex 2, which then reacts with conjugated
cis-olefins to yield chiral epoxides 3 with high enantioselectivity.
References
- 1) Highly enantioselective epoxidation
- H. Sasaki, R. Irie, T. Hamada, K.
Suzuki, T. Katsuki, Tetrahedron 1994, 50, 11827.
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- H. Sasaki, R. Irie, T. Hamada, K.
Suzuki, T. Katsuki, Tetrahedron 1994, 50, 11827.
- T. Katsuki, Yuki Gosei Kagaku
Kyokaishi (J. Synth. Org. Chem. Jpn.) 1999, 57, 824.
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- T. Katsuki, Yuki Gosei Kagaku
Kyokaishi (J. Synth. Org. Chem. Jpn.) 1999, 57, 824.
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