Novel binaphthalene-amine catalysts for the asymmetric epoxidation of alkenes.

[摘要]：A range of binaphthalene-derived azepine derivs. contg. alc. functionality were prepd. and utilized as catalysts in the asym. epoxidn. of alkenes by Oxone, giving ?1% ee. Evidence was obtained for the involvement of iminium ions in the reaction pathway, suggesting that the oxidizing species in the epoxidns. are in fact the corresponding oxaziridinium ions.

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