�bergangsmetalloxid- und �bergangsmetallacetylacetonat-katalysierte Olefinoxidation - ein Vergleich

Autor:	K. Jaky, Doz. Dr. habil. D. Schnurpfeil
Rok vydání:	1992
Předmět:	chemistry.chemical_compound Transition metal chemistry Autoxidation Inorganic chemistry Oxide Cyclohexene Epoxide Homogeneous catalysis Heterogeneous catalysis Catalysis
Zdroj:	Journal f�r Praktische Chemie/Chemiker-Zeitung. 334:165-175
ISSN:	1521-3897 0941-1216
DOI:	10.1002/prac.19923340213
Popis:	Transition Metal Oxide- and Transition Metal Acetylacetonate-Catalyzed Olefine Oxidations – a Comparison The efficiencies of various homogeneous soluble transition metal acetylacetonates and of various heterogeneous transition metal oxides were studied to increase epoxide yields in autoxidation of olefins in liquid phase. The oxidation of cyclohexene, 1-octene, cis-4-octene, 3-ethyl-1-pentene and 2,4,4-trimethyl-1-pentene was investigated in absence of catalysts and in the presence of MoO2(acac)2 and MoO3 as well as other oxides and heterogenized oxide-catalysts. The comparison of oxide- and acetylacetonate-catalysis gave a high similarity of both. MoO3 acts preferentially as homogeneous catalyst too. Although other elements of heterogeneous catalysis were proved.
Databáze:	OpenAIRE
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