negative effect on product formation (Table1, entries 6 and 7). The increase or decrease of the reaction current slightly reduced the product yield (Table1, entries 8 and 9). While a lower ethyl diazoacetate of 1.5 mmol or a lower amount of methanol showed a decrease in the amount of ...
Chemical halogenation is an important transformation in organic synthesis. Halogenations involve the use of reactive and toxic halogens (X2) or hydrogen halides (HX). Chemical halogenations are fast and exothermic, but with little regio- or stereoselecti
The Pd(II)-catalyzed oxidative heterodimerization reaction of 2,3-allenamides and 1,2-allenyl ketones was studied. It provides an efficient route for the synthesis of the polysubstituted 4-(furan-3'-yl)-2(5H)-furanimines, which are not readily available from the known methods. Due to the...
IRONA synthesis of amides from aldehydes promoted by the photoactive complex of Fe2SO4 with 2-picolinic acid, NaCl as a chlorine source, and Na2S2O8 as a benign oxidant is reported. The reaction is mediated by visible light and is carried out at room temperature in the absence of additives....
It has been established that the formation of C 2-hydrocarbons over CaO-CaCl 2 catalysts involves the participation of atomic chlorine generated by the catalyst surface. It has been suggested that the reaction over Na/CaO and Li/CaO catalysts is initiated by atomic oxygen. The reactions schemes...
17.Study on Treatment of Refractory Wastewater by Chlorine Dioxide Catalytic Oxidation;二氧化氯催化氧化处理难降解废水技术的研究 18.Iron Oxides Photocatalyst Degradation Toxic Organic Pollutants;铁氧化物光催化降解有毒有机污染物 相关短句/例句 oxidation degradation氧化降解 ...
Elsewhere, the lifetime of the HO radical has previously been shown to be extremely small. These facts, combined with observations of oxo iron under certain experimental conditions, suggest that oxo iron is a highly plausible oxidative species of the reaction. In addition, a trigonal bipyramidal ...
plasma, persulfate, wet air oxidation, supercritical water oxidation, ultrasound, zero-valent iron, ferrate, water photolysis under vacuum ultraviolet, periodate, chlorine and heterogeneous photocatalysis, some of them combined with UV light, are briefly described, together with examples of their ...
The toxicity of Fe is so far mainly attributed to its reaction with hydrogen peroxide (H2O2) to generate the hydroxyl radical (OH˙) that is the most active reactive oxygen species (ROS)14,15,16. This reactive property of Fe can exert direct cellular damage via damaging biomolecules such as...
Furthermore, the presence of chloride anion leads to the parallel generation of reactive chlorine species (mainly hypochlorous acid and its anion hypochlorite) at the anode, which also react with biomolecules. Exploring the effects of these system constituents will be critical to evaluate the overall...