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- W273484927 abstract "The controlled-potential electrolysis of CO{sub 2}-saturated CH{sub 3}CN containing (Fe{sub 4}S{sub 4}(SPh){sub 4}){sup 2{minus}}, NO{sub 2}{sup {minus}}, PhCOCH{sub 3}, and a dehydration agent at {minus}1.25 V vs SCE catalytically produced not only N{sub 2} accompanied by a small amount of N{sub 2}O but also PhCOCH{sub 2}COO{sup {minus}} with the mole ratio 1:7. N{sub 2}O{sub 2}{sup 2{minus}} as a precursor of N{sub 2}O was confirmed in the reaction mixture. The reduction of NO{sub 2}{sup {minus}} catalyzed by the reduced species of (Fe{sub 4}S{sub 4}(SPh){sub 4}){sup 2{minus}}, therefore, proceeds via NO{sup {minus}}, N{sub 2}O{sub 2}{sup 2{minus}}, and N{sub 2}O, where PhCOCH{sub 3} plays the role of proton source in each reaction step and the resulting PhCOCH{sub 2}{sup {minus}} reacts with CO{sub 2} to afford PhCOCH{sub 2}COO{sup {minus}}. The stoichiometry of the CO{sub 2} fixation coupled with NO{sub 2}{sup {minus}} reduction may be expressed as follows: 2NO{sub 2}{sup {minus}} + 8PhCOCH{sub 3} + 8CO{sub 2} + 6e{sup {minus}} {yields} N{sub 2} + 8PhCOCH{sub 2}COO{sup {minus}} + 4H{sub 2}O. On the basis of this stoichiometry, the current efficiencies for the formation of N{sub 2} and PhCOCH{sub 2}COO{sup {minus}} are 70 and 78%, respectively. Similar CO{sub 2} fixation coupled with NO{sub 2}{sup {minus}} reduction wasmore » also conducted in the presence of phenylacetylene, cyclohexanone, and acetone as proton sources.« less" @default.
- W273484927 created "2016-06-24" @default.
- W273484927 creator A5041136213 @default.
- W273484927 creator A5044287074 @default.
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- W273484927 date "1989-03-29" @default.
- W273484927 modified "2023-10-06" @default.
- W273484927 title "Electrochemical carboxylation couple with nitrite reduction catalyzed by (Fe sub 4 S sub 4 (SPh) sub 4 ) sup 2 minus and (Mo sub 2 Fe sub 6 S sub 8 (SPh) sub 9 ) sup 3 minus" @default.
- W273484927 hasPublicationYear "1989" @default.
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