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Asymmetric Epoxidation of Unfunctionalized Alkenes with Ammonium and Phosphonium Monopersulfates Catalyzed by Chiral Mn(III)–Salen Complexes

✍ Scribed by Pekka Pietikäinen

Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
116 KB
Volume
56
Category
Article
ISSN
0040-4020

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ChemInform Abstract: Asymmetric Epoxidat
ChemInform Abstract: Asymmetric Epoxidation of Unfunctionalized Alkenes with Ammonium and Phosphonium Monopersulfates Catalyzed by Chiral Mn(III)—Salen Complexes.
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

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Asymmetric Mn(III)-salen catalyzed epoxidation of simple cis-disubstituted and trisubstituted alkenes in mild conditions was performed using tetrabutylammonium monopersulfate (Bu4NHSO5) as the oxidant together with N-methylmorpholine N-oxide as an additive. Particularly high yields of epoxides (up t

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Catalytic epoxidation of two unfunctionalized alkenes, 1,2\_dihydronaphthalene and tranx-e-methylstyrene, is reported using achiral and chirol (Salen)Mn(III) complexes l-3 together with a nitrogen heterocycle as axial ligand in the presence of 30 %I aqueous hydrogen peroxide as oxidant. Typically, t