Catalytic air-oxidation reactions promoted by cationic complexes of rhodium(I): competitive ketonization, allylic oxidation and epoxidation of olefins

Morvillo, Antonino; Bressan, M.

doi:10.1016/0304-5102(86)85138-0

Cited by 17 publications

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References 18 publications

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“…In diesen Fällen wird mit dem Rh-Katalysator, aber ohne Cokatalysator die Ketonbildung von einer ungefähr äquiva-lenten Cooxidation des Lösungsmittels begleitet (Schema 3); beide Oxidationsprozesse tragen zum Gesamt-O 2 -Verbrauch bei. [87,[95][96][97] Interessanterweise wird in Gegenwart eines Kupfer-Cokatalysators die Oxidation des Lösungsmittels unterdrückt, und die gesamte O 2 -Menge wird in der Alkenoxidation verbraucht. [87,98] Zudem wird die Reaktion stark beschleunigt, die Umsätze können binnen 4 h an die 100 % bei über 98 % Selektivität erreichen.…”

Section: Introductionunclassified

Modellreaktionen für die Rhodium‐katalysierte Oxygenierung von Alkenen

2004

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Section: Introductionunclassified

Modellreaktionen für die Rhodium‐katalysierte Oxygenierung von Alkenen

2004

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Multi‐Route Mechanisms in Reactions Involving Metal Complexes

Темкин

2012

Homogeneous Catalysis With Metal Complexes

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Functional Models for Rhodium‐Mediated Olefin‐Oxygenation Catalysis

2004

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Oxygenation of C-H and C=C bonds of hydrocarbons with H2O2 and O2 is an important industrial method to convert mineral oil into useful chemicals. Despite their enormous economic impact, these reactions are still not fully understood. In the early 1970s, the potential of Rh and Ir complexes for olefin oxygenation was investigated intensively. Simple inorganic salts of these metals proved to be rather useless for industrial application when compared with the traditional Wacker system. However, the appropriate choice of ligands allows the stepwise oxidation of olefins at Rh and Ir. These systems are therefore useful to study mechanistic details of substrate binding and C-O bond formation at the catalytic metal center. Insight from these model studies helps in understanding the catalytic reactions at these (and possibly other) metal centers. Further insight into the differences between the Rh system and traditional Wacker-type oxidation at Pd may lead to useful applications.

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Catalytic air-oxidation reactions promoted by cationic complexes of rhodium(I): competitive ketonization, allylic oxidation and epoxidation of olefins

Cited by 17 publications

References 18 publications

Modellreaktionen für die Rhodium‐katalysierte Oxygenierung von Alkenen

Modellreaktionen für die Rhodium‐katalysierte Oxygenierung von Alkenen

Multi‐Route Mechanisms in Reactions Involving Metal Complexes

Functional Models for Rhodium‐Mediated Olefin‐Oxygenation Catalysis

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