2011
DOI: 10.1002/ange.201104073
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Methyltransferase‐Aktivität eines Iridiumzentrums mit Methylpyridinium als Methylenquelle

Abstract: Selektiver Überträger: In der im Schema gezeigten Reaktion wird ausschließlich die pyridingebundene Methylgruppe als milde Methylenquelle genutzt und die Spaltung einer nichtaktivierten C(Aryl)‐H‐Bindung sowie die Aktivierung des Nitrillösungsmittels erreicht. Der Prozess erinnert an die DNA‐Methylierung und umfasst die Bildung zweier neuer C(sp2)‐C(sp3)‐Bindungen innerhalb der Iridium‐Koordinationssphäre.

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Cited by 5 publications
(1 citation statement)
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“…In the course of our research we have recently been interested in the preparation of imidazolylidene pyridylidene ligands for the preparation of rhodium (III) and iridium (III) complexes 9. Very few examples of such linked imidazolylidene (or triazolylidene) pyridylidenes have been described so far,10 but they already have provided elegant examples of reactivity, such as the selective methyl transfer from a pyridinium unit to an unfunctionalized aryl carbon atom 10c. Aiming to obtain complexes with unusual CH activation properties, we now describe the coordination of a series of imidazolylidene pyridylidene ligands to [MCp*Cl 2 ] (M=Ir and Rh).…”
Section: Methodsmentioning
confidence: 99%
“…In the course of our research we have recently been interested in the preparation of imidazolylidene pyridylidene ligands for the preparation of rhodium (III) and iridium (III) complexes 9. Very few examples of such linked imidazolylidene (or triazolylidene) pyridylidenes have been described so far,10 but they already have provided elegant examples of reactivity, such as the selective methyl transfer from a pyridinium unit to an unfunctionalized aryl carbon atom 10c. Aiming to obtain complexes with unusual CH activation properties, we now describe the coordination of a series of imidazolylidene pyridylidene ligands to [MCp*Cl 2 ] (M=Ir and Rh).…”
Section: Methodsmentioning
confidence: 99%