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ChemInform Abstract: Dynamic Control of Ligand Conformation: Asymmetric Epoxidation Using Achiral (Salen)manganese(III) Complex.

✍ Scribed by Keishi Miura; Tsutomu Katsuki

Publisher: John Wiley and Sons
Year: 2010
Weight: 31 KB
Volume: 30
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199937103

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✦ Synopsis

Dynamic Control of Ligand Conformation: Asymmetric Epoxidation Using Achiral (Salen)manganese(III) Complex.

-Good yields and enantioselectivities are obtained in the asymmetric epoxidation of dimethylchromene derivatives using an achiral (salen)manganese complex in the presence of an axially chiral bipyridine N,N'-dioxide ligand. This type of catalyst systems provides a new, promising approach towards catalytic asymmetric epoxidation reactions.

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