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Titolo:
METAL COMPLEX-CATALYZED EPOXIDATION OF OLEFINS BY DIOXYGEN WITH COOXIDATION OF ALDEHYDES - A MECHANISTIC STUDY
Autore:
NAM WW; KIM HJ; KIM SH; HO RYN; VALENTINE JS;
Indirizzi:
EWHA WOMANS UNIV,DEPT CHEM SEOUL 120750 SOUTH KOREA UNIV CALIF LOS ANGELES,DEPT CHEM & BIOCHEM LOS ANGELES CA 90024
Titolo Testata:
Inorganic chemistry
fascicolo: 4, volume: 35, anno: 1996,
pagine: 1045 - 1049
SICI:
0020-1669(1996)35:4<1045:MCEOOB>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
IRON(III) PORPHYRINS; HYDROGEN-PEROXIDE; MOLECULAR-OXYGEN; ALKYL HYDROPEROXIDES; AEROBIC EPOXIDATION; IRON PORPHYRIN; MODEL SYSTEMS; METALLOPORPHYRINS; IODOSYLBENZENE; CYTOCHROME-P-450;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
47
Recensione:
Indirizzi per estratti:
Citazione:
W.W. Nam et al., "METAL COMPLEX-CATALYZED EPOXIDATION OF OLEFINS BY DIOXYGEN WITH COOXIDATION OF ALDEHYDES - A MECHANISTIC STUDY", Inorganic chemistry, 35(4), 1996, pp. 1045-1049

Abstract

Mechanistic studies of the oxidation of olefins by dioxygen plus aldehyde in the presence of metal complexes such as metalloporphyrins and metal cyclam complexes have been carried out. Epoxides were the predominant products, with trace amounts of allylic oxidation products. cis-Stilbene was oxidized to a mixture of cis- and trans-stilbene oxides. It is concluded from this study that the principal role of the metal complexes is to aid in the initiation step for the free radical autoxidation of the aldehyde and that acylperoxy radicals generated in the autoxidation reaction (or metal complexes formed by complexation of the acylperoxy radicals) are the active epoxidizing agents.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/09/20 alle ore 18:41:27