The alkyne alkoxycarbonylation to α- or β-substituted acrylates was coupled with the electrocatalytic reduction of CO to CO. The CO-enriched gaseous mixture produced from the electrocatalytic reduction of CO was collected and directly used in the alkyne alkoxycarbonylation. The CO content was found to be critical to the process of carbonylation, and satisfying results were attained by using the gas mixture containing >15 vol % CO.
View Article and Find Full Text PDFCopper (Cu)-based catalysts show promise for electrocatalytic CO reduction (CORR) to multi-carbon alcohols, but thermodynamic constraints lead to competitive hydrocarbon (e.g., ethylene) production.
View Article and Find Full Text PDFCu -based materials, a class of promising catalysts for the electrocatalytic carbon dioxide reduction reaction (CO RR) to value-added chemicals, usually undergo inevitable and uncontrollable reorganization processes during the reaction, resulting in catalyst deactivation or the new active sites formation and bringing great challenges to exploring their structure-performance relationships. Herein, a facile strategy is reported for constructing Cu and 3, 4-ethylenedioxythiophene (EDOT) coordination to stabilize Cu ions to prepare a novel layered coordination polymer (CuPEDOT). CuPEDOT enables selective reduction of CO to CH with 62.
View Article and Find Full Text PDFThe construction of metal hetero-interfaces has great potential in the application of electro-catalytic carbon dioxide reduction (ECR). Herein, we report a fast, efficient, and simple electrodeposition strategy for synthesizing three-dimensional (3D) porous Cu/Zn heterostructures using the hydrogen bubble template method. When the deposition was carried out at -1.
View Article and Find Full Text PDFA facile synthesis of 4H-benzo[d][1,3]oxazin-4-one derivatives by Pd-catalyzed carbonylative cross-coupling between N-(ortho-bromoaryl)amides and benzene-1,3,5-triyl triformate (TFBen) was developed. This procedure does not require the toxic and flammable gas CO as the carbonyl source and tolerates a wide scope of functional groups. Remarkably, 4H-benzo[d][1,3]oxazin-4-ones incorporated to natural products and drugs can be constructed by this method.
View Article and Find Full Text PDFThe feasibility of a new sludge treatment technology of earthworm constructed wetlands was tested by adding earthworm into the traditional sludge dying reed beds. The dewatering and stabilization effects of the upper layer sludge were tested under different sludge loading rates of 48, 65, 80 kg·(m·a), different earthworm stocking densities of 0, 0.43, 0.
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