Themed collection Carbon dioxide at metal centres
Utilisation of CO2 as a chemical feedstock: opportunities and challenges
Enzymes make dreams… a reality.
Carbon dioxide and related heterocumulenes at zinc and lithium cations: bioinspired reactions and principles
Experimental and theoretical investigations of bio-analogue metal complexes are considered. Inspired by the mode of reaction of the enzyme carbonic anhydrase, these complexes are designed to serve as catalysts/intermediates in the course of the activation of CO2, COS and further heterocumulenes.
Inspired by nature: light driven organometallic catalysis by heterooligonuclear Ru(II) complexes
Light driven intramolecular energy or electron transfer in heterooligonuclear metal complexes emerges as a powerful tool in organometallic catalysis. Construction principles for different applications such as photocatalytic hydrogen production, carbon dioxide reduction and C–C bond formation are reviewed.
self-assembly with atmospheric CO2 fixation of a pentanuclear carbonate NiII complex based on dissimilar building blocks
Formation in basic solution of an asymmetric pentanuclear carbonate NiII complex with a compartmental ligand involves atmospheric CO2 uptake, either by reaction of two slightly different dinuclear precursors that yield its di- and trinuclear “building blocks”, or directly, by spontaneous self-organization of metal and ligand starting materials.
Insertion of CO2 into a
palladium allyl bond and a Pd(II) catalysed carboxylation of allyl stannanes
Pincer palladium allyl complexes undergo very fast insertion of CO2 presumably via a cyclic transition state. The insertion can be incorporated in a catalytic carboxylation of allylstannanes.
A cadmium hydroxide complex of a N3S-donor
ligand containing two hydrogen bond donors: synthesis, characterization, and CO2 reactivity
A new binuclear cadmium hydroxide complex has been prepared, characterized and found to form a binuclear/mononuclear equilibrium mixture in solution; this complex undergoes reaction with CO2 to form a binuclear cadmium carbonate complex.
Two-dimensional double metal
cyanide complexes: highly active catalysts for the homopolymerization of propylene oxide and copolymerization of propylene oxide and carbon dioxide
A new class of double metal cyanide catalysts for the copolymerization of carbon dioxide and propylene oxide is reported.
Insertion reaction of carbon dioxide into Sn–OR bond. Synthesis, structure and DFT calculations of di- and tetranuclear isopropylcarbonato tin(IV) complexes
CO2 uptake by nBu2Sn(OiPr)2 and [nBu2(iPrO)Sn]2O leads to the selective insertion into one Sn–OiPr bond. Structural characterisation reveals the formation of dimers with terminal isopropylcarbonato ligand. DFT calculations support the experiments.
Mechanistic investigation of CO2
hydrogenation by Ru(II) and Ir(III) aqua complexes under acidic conditions: two catalytic systems differing in the nature of the rate determining step
A new strategy for control of hydrogenation of CO2 in the absence of large amounts of base.
The telomerisation of 1,3-butadiene and carbon dioxide: process development and optimisation in a continuous miniplant
The process development for a miniplant applying telomerisation of 1,3-butadiene and carbon dioxide in a continuous scale is described. Through repeated optimisation combined with parallel laboratory batch experiments the overall space-time-yield of the plant was enhanced significantly.
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Carbon dioxide at metal centres