Carbon Dioxide Activation by a Palladium Terminal Imido Complex
نویسندگان
چکیده
منابع مشابه
Reaction of carbon dioxide with a palladium-alkyl complex supported by a bis-NHC framework.
The reactivity of a dimethyl palladium complex supported by a dicarbene chelate (MDC(Mes))PdMe(2) towards CO(2) has been investigated. In the presence of trace H(2)O, this reaction yields the corresponding methyl bicarbonate complex (MDC(Mes))PdMe(O(2)COH), which goes on to give the corresponding κ(2)-carbonato complex upon crystallization (MDC(Mes))Pd(CO(3)). This chemistry, as well as related...
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A Sc NHC complex readily activates three equivalents of CO2 showing 'Frustrated Lewis Pair' type reactivity with each metal-carbene bond, but whilst CS2 is also activated by the labile carbenes, no metal involvement is observed.
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The first rare earth metal terminal imido complex has been isolated and structurally characterized. The complex has an extremely short M-N bond length and a nearly linear M-N-C angle. DFT studies showed two p orbitals of N(imido) atom form two bonds with two d orbitals of rare earth metal ion.
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Compounds of the late transition metals with M=X multiple bonds (X=CR2, NR, O) represent a synthetic challenge, partly overcome by preparative chemists, but with noticeable gaps in the second- and third-row elements. For example, there are no isolated examples of terminal imido rhodium complexes known to date. Described herein is the isolation, characterization, and some preliminary reactivity ...
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The highly reactive, six-coordinate tris-aryloxide U(III) species, [((t-BuArO)3tacn)U] (1) reacts with CO2 in a 2e- reduction to produce CO and a dinuclear U(IV/IV) mu-oxygen bridged complex [{((t-BuArO)3tacn)U}2(mu-O)] (2). This reaction proceeds via a dinuclear CO2-bridged intermediate 3. Also, mononuclear 1 was treated with 1 atm of CO to yield dinuclear [{((t-BuArO)3tacn)U}2(mu-CO)] (4) wit...
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ژورنال
عنوان ژورنال: Australian Journal of Chemistry
سال: 2019
ISSN: 0004-9425
DOI: 10.1071/ch19323