Mechanism of Reduction of the Nitrite Ion by CuI Complexes

The reaction of Cu+aq with NO2− was studied. The results are consistent with the mechanism: Cu+aq + NO2− →← (Cu+NO2−), K = 140 ± 30 M−1; (Cu+NO2−) + H+ → Cu2+ + NO + OH−, k = 4.6 × 105 M−1s−1. It is proposed that the copper is bound to the nitrogen in the transient complex (Cu+NO2−). In addition, th...

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Veröffentlicht in:	European journal of inorganic chemistry 2004-09, Vol.2004 (18), p.3675-3680
Hauptverfasser:	Burg, Ariela, Lozinsky, Evgenia, Cohen, Haim, Meyerstein, Dan
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Sprache:	eng
Schlagworte:	Copper(I) Nitrite Reduction
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creator	Burg, Ariela Lozinsky, Evgenia Cohen, Haim Meyerstein, Dan
description	The reaction of Cu+aq with NO2− was studied. The results are consistent with the mechanism: Cu+aq + NO2− →← (Cu+NO2−), K = 140 ± 30 M−1; (Cu+NO2−) + H+ → Cu2+ + NO + OH−, k = 4.6 × 105 M−1s−1. It is proposed that the copper is bound to the nitrogen in the transient complex (Cu+NO2−). In addition, the reaction was studied with (CuILi)+ complexes. The results show that the ligands reduce the value of K and that their effect on k depends on the redox potential of the (CuII/ILi) couple. This reaction is the simplest model for the CuNIR (NIR = Nitric reductase) enzymes. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)
doi_str_mv	10.1002/ejic.200400255
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The results are consistent with the mechanism: Cu+aq + NO2− →← (Cu+NO2−), K = 140 ± 30 M−1; (Cu+NO2−) + H+ → Cu2+ + NO + OH−, k = 4.6 × 105 M−1s−1. It is proposed that the copper is bound to the nitrogen in the transient complex (Cu+NO2−). In addition, the reaction was studied with (CuILi)+ complexes. The results show that the ligands reduce the value of K and that their effect on k depends on the redox potential of the (CuII/ILi) couple. This reaction is the simplest model for the CuNIR (NIR = Nitric reductase) enzymes. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)</description><identifier>ISSN: 1434-1948</identifier><identifier>EISSN: 1099-0682</identifier><identifier>DOI: 10.1002/ejic.200400255</identifier><language>eng</language><publisher>Weinheim: WILEY-VCH Verlag</publisher><subject>Copper(I) ; Nitrite ; Reduction</subject><ispartof>European journal of inorganic chemistry, 2004-09, Vol.2004 (18), p.3675-3680</ispartof><rights>Copyright © 2004 WILEY‐VCH Verlag GmbH & Co. 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The results are consistent with the mechanism: Cu+aq + NO2− →← (Cu+NO2−), K = 140 ± 30 M−1; (Cu+NO2−) + H+ → Cu2+ + NO + OH−, k = 4.6 × 105 M−1s−1. It is proposed that the copper is bound to the nitrogen in the transient complex (Cu+NO2−). In addition, the reaction was studied with (CuILi)+ complexes. The results show that the ligands reduce the value of K and that their effect on k depends on the redox potential of the (CuII/ILi) couple. This reaction is the simplest model for the CuNIR (NIR = Nitric reductase) enzymes. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)</description><subject>Copper(I)</subject><subject>Nitrite</subject><subject>Reduction</subject><issn>1434-1948</issn><issn>1099-0682</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNo9j9tqwkAQhpfSQq3tba_zAmv3fOhdCR5i1UIRerlskgmuVSNJpObtjVhyNfPN8A3zI_RKyYgSwt5gG7IRI0R0IOUdGlBiLSbKsPuuF1xgaoV5RE91vSWEcMLVAL0vIdv4Q6j3UVlE35CfsiaUhys0G4hWoalCA1HSjdI2ik9JFJf74w7OUD-jh8Lvanj5r0O0nozX8QwvvqZJ_LHAwRiJc-oldE9lsmCKaZDWKE2ZpCLLjfRMd3vOlMq0kqnQNC1MYUGnTBnrcy_4ENnb2b-wg9Ydq7D3VesocdfU7pra9andeJ7EPXUuvrmhbuDcu776dUpzLd3PaupozJezz8ncrfgF3vxbKw</recordid><startdate>200409</startdate><enddate>200409</enddate><creator>Burg, Ariela</creator><creator>Lozinsky, Evgenia</creator><creator>Cohen, Haim</creator><creator>Meyerstein, Dan</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><scope>BSCLL</scope></search><sort><creationdate>200409</creationdate><title>Mechanism of Reduction of the Nitrite Ion by CuI Complexes</title><author>Burg, Ariela ; Lozinsky, Evgenia ; Cohen, Haim ; Meyerstein, Dan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i885-d1a5e004c5f2627e5986712514cd85a271a53266c765b471bf8f9e7b2689ada43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Copper(I)</topic><topic>Nitrite</topic><topic>Reduction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Burg, Ariela</creatorcontrib><creatorcontrib>Lozinsky, Evgenia</creatorcontrib><creatorcontrib>Cohen, Haim</creatorcontrib><creatorcontrib>Meyerstein, Dan</creatorcontrib><collection>Istex</collection><jtitle>European journal of inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Burg, Ariela</au><au>Lozinsky, Evgenia</au><au>Cohen, Haim</au><au>Meyerstein, Dan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mechanism of Reduction of the Nitrite Ion by CuI Complexes</atitle><jtitle>European journal of inorganic chemistry</jtitle><addtitle>Eur. 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title	Mechanism of Reduction of the Nitrite Ion by CuI Complexes
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