Pulse radiolytic investigations of some peroxyhydroxycyclohexadienyl radicals
The absorption spectra and decay kinetics of the peroxy OH and H adduct of phenol have been studied using the pulse radiolysis technique. Both peroxy radicals decompose by a first-order reaction. O/sub 2/C/sub 6/H/sub 5/OH(OH) decomposes to HO/sub 2/ and a product which partly forms hydroquinone aft...
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| Veröffentlicht in: | J. Phys. Chem.; (United States) 1976-04, Vol.80 (9), p.940-944 |
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| container_title | J. Phys. Chem.; (United States) |
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| creator | Micic, O. I Nenadovic, M. T |
| description | The absorption spectra and decay kinetics of the peroxy OH and H adduct of phenol have been studied using the pulse radiolysis technique. Both peroxy radicals decompose by a first-order reaction. O/sub 2/C/sub 6/H/sub 5/OH(OH) decomposes to HO/sub 2/ and a product which partly forms hydroquinone after some intramolecular rearrangement. In alkaline deaerated solutions of phenol disproportionation of phenoxyl radicals produces benzosemiquinone radical anions. Formation of this transient is suppressed by the presence of O/sub 2/. The reaction rate constants of C/sub 6/H/sub 5/OH(OH), C/sub 6/H/sub 5/OH(H), C/sub 6/H/sub 5/O, C/sub 6/H/sub 4/(OH)/sub 2/(H), and C/sub 6/H/sub 4/(OH)/sub 2/(OH) radicals with oxygen have been determined. |
| doi_str_mv | 10.1021/j100550a004 |
| format | Article |
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I ; Nenadovic, M. T</creator><creatorcontrib>Micic, O. I ; Nenadovic, M. T ; Boric Kidric Inst. of Nuclear Sciences, Vinca, Yugoslavia</creatorcontrib><description>The absorption spectra and decay kinetics of the peroxy OH and H adduct of phenol have been studied using the pulse radiolysis technique. Both peroxy radicals decompose by a first-order reaction. O/sub 2/C/sub 6/H/sub 5/OH(OH) decomposes to HO/sub 2/ and a product which partly forms hydroquinone after some intramolecular rearrangement. In alkaline deaerated solutions of phenol disproportionation of phenoxyl radicals produces benzosemiquinone radical anions. Formation of this transient is suppressed by the presence of O/sub 2/. The reaction rate constants of C/sub 6/H/sub 5/OH(OH), C/sub 6/H/sub 5/OH(H), C/sub 6/H/sub 5/O, C/sub 6/H/sub 4/(OH)/sub 2/(H), and C/sub 6/H/sub 4/(OH)/sub 2/(OH) radicals with oxygen have been determined.</description><identifier>ISSN: 0022-3654</identifier><identifier>EISSN: 1541-5740</identifier><identifier>DOI: 10.1021/j100550a004</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>400600 - Radiation Chemistry ; ABSORPTION SPECTRA ; AQUEOUS SOLUTIONS ; AROMATICS ; ARYL RADICALS ; CHEMICAL RADIATION EFFECTS ; CHEMICAL REACTION KINETICS ; CHEMICAL REACTIONS ; CHEMISTRY ; DECOMPOSITION ; DISPERSIONS ; ELECTROMAGNETIC RADIATION ; GAMMA RADIATION ; HYDROXY COMPOUNDS ; IONIZING RADIATIONS ; IRRADIATION ; KINETICS ; MIXTURES ; ORGANIC COMPOUNDS ; PEROXY RADICALS ; PHENOL ; PHENOLS ; PHENYL RADICALS ; PULSED IRRADIATION ; RADIATION CHEMISTRY ; RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY ; RADIATION EFFECTS ; RADIATIONS ; RADICALS ; REACTION KINETICS ; SOLUTIONS ; SPECTRA</subject><ispartof>J. 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T</creatorcontrib><creatorcontrib>Boric Kidric Inst. of Nuclear Sciences, Vinca, Yugoslavia</creatorcontrib><title>Pulse radiolytic investigations of some peroxyhydroxycyclohexadienyl radicals</title><title>J. Phys. Chem.; (United States)</title><addtitle>J. Phys. Chem</addtitle><description>The absorption spectra and decay kinetics of the peroxy OH and H adduct of phenol have been studied using the pulse radiolysis technique. Both peroxy radicals decompose by a first-order reaction. O/sub 2/C/sub 6/H/sub 5/OH(OH) decomposes to HO/sub 2/ and a product which partly forms hydroquinone after some intramolecular rearrangement. In alkaline deaerated solutions of phenol disproportionation of phenoxyl radicals produces benzosemiquinone radical anions. Formation of this transient is suppressed by the presence of O/sub 2/. The reaction rate constants of C/sub 6/H/sub 5/OH(OH), C/sub 6/H/sub 5/OH(H), C/sub 6/H/sub 5/O, C/sub 6/H/sub 4/(OH)/sub 2/(H), and C/sub 6/H/sub 4/(OH)/sub 2/(OH) radicals with oxygen have been determined.</description><subject>400600 - Radiation Chemistry</subject><subject>ABSORPTION SPECTRA</subject><subject>AQUEOUS SOLUTIONS</subject><subject>AROMATICS</subject><subject>ARYL RADICALS</subject><subject>CHEMICAL RADIATION EFFECTS</subject><subject>CHEMICAL REACTION KINETICS</subject><subject>CHEMICAL REACTIONS</subject><subject>CHEMISTRY</subject><subject>DECOMPOSITION</subject><subject>DISPERSIONS</subject><subject>ELECTROMAGNETIC RADIATION</subject><subject>GAMMA RADIATION</subject><subject>HYDROXY COMPOUNDS</subject><subject>IONIZING RADIATIONS</subject><subject>IRRADIATION</subject><subject>KINETICS</subject><subject>MIXTURES</subject><subject>ORGANIC COMPOUNDS</subject><subject>PEROXY RADICALS</subject><subject>PHENOL</subject><subject>PHENOLS</subject><subject>PHENYL RADICALS</subject><subject>PULSED IRRADIATION</subject><subject>RADIATION CHEMISTRY</subject><subject>RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY</subject><subject>RADIATION EFFECTS</subject><subject>RADIATIONS</subject><subject>RADICALS</subject><subject>REACTION KINETICS</subject><subject>SOLUTIONS</subject><subject>SPECTRA</subject><issn>0022-3654</issn><issn>1541-5740</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1976</creationdate><recordtype>article</recordtype><recordid>eNptkM9LwzAYhoMoOKcn_4HixYNUv_xq2qMMp8LEoQOPIU1Sl9k1I-lk_e_trIgHT-_leR--70XoHMM1BoJvVhiAc1AA7ACNMGc45YLBIRoBEJLSjLNjdBLjCgAwpXiEnubbOtokKON83bVOJ675tLF176p1vomJr5Lo1zbZ2OB33bIz-9Cdrv3S7vqWbbr6u65VHU_RUdWHPfvJMVpM7xaTh3T2fP84uZ2lipK8TTEYYJirQtOclRkhVJfYlqzMS5JRyvIiNwwrwUtqFChuskLYimYMlAFj6BhdDFrfHyqjdq3VS-2bxupWCiIo65VjdDVAOvgYg63kJri1Cp3EIPdryT9r9XQ60C62dveLqvAhM0EFl4v5q-TsjQhGC_nS85cDr3SUK78NTf_vv-YvzDV4nQ</recordid><startdate>19760401</startdate><enddate>19760401</enddate><creator>Micic, O. I</creator><creator>Nenadovic, M. T</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19760401</creationdate><title>Pulse radiolytic investigations of some peroxyhydroxycyclohexadienyl radicals</title><author>Micic, O. I ; Nenadovic, M. T</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a328t-10d0415a9c384b6223cb1eb4b8b26334898d41a75b3da0a5d697ef3640ad0dd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1976</creationdate><topic>400600 - Radiation Chemistry</topic><topic>ABSORPTION SPECTRA</topic><topic>AQUEOUS SOLUTIONS</topic><topic>AROMATICS</topic><topic>ARYL RADICALS</topic><topic>CHEMICAL RADIATION EFFECTS</topic><topic>CHEMICAL REACTION KINETICS</topic><topic>CHEMICAL REACTIONS</topic><topic>CHEMISTRY</topic><topic>DECOMPOSITION</topic><topic>DISPERSIONS</topic><topic>ELECTROMAGNETIC RADIATION</topic><topic>GAMMA RADIATION</topic><topic>HYDROXY COMPOUNDS</topic><topic>IONIZING RADIATIONS</topic><topic>IRRADIATION</topic><topic>KINETICS</topic><topic>MIXTURES</topic><topic>ORGANIC COMPOUNDS</topic><topic>PEROXY RADICALS</topic><topic>PHENOL</topic><topic>PHENOLS</topic><topic>PHENYL RADICALS</topic><topic>PULSED IRRADIATION</topic><topic>RADIATION CHEMISTRY</topic><topic>RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY</topic><topic>RADIATION EFFECTS</topic><topic>RADIATIONS</topic><topic>RADICALS</topic><topic>REACTION KINETICS</topic><topic>SOLUTIONS</topic><topic>SPECTRA</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Micic, O. I</creatorcontrib><creatorcontrib>Nenadovic, M. T</creatorcontrib><creatorcontrib>Boric Kidric Inst. of Nuclear Sciences, Vinca, Yugoslavia</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>J. Phys. Chem.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Micic, O. I</au><au>Nenadovic, M. T</au><aucorp>Boric Kidric Inst. of Nuclear Sciences, Vinca, Yugoslavia</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pulse radiolytic investigations of some peroxyhydroxycyclohexadienyl radicals</atitle><jtitle>J. Phys. Chem.; (United States)</jtitle><addtitle>J. Phys. Chem</addtitle><date>1976-04-01</date><risdate>1976</risdate><volume>80</volume><issue>9</issue><spage>940</spage><epage>944</epage><pages>940-944</pages><issn>0022-3654</issn><eissn>1541-5740</eissn><abstract>The absorption spectra and decay kinetics of the peroxy OH and H adduct of phenol have been studied using the pulse radiolysis technique. Both peroxy radicals decompose by a first-order reaction. O/sub 2/C/sub 6/H/sub 5/OH(OH) decomposes to HO/sub 2/ and a product which partly forms hydroquinone after some intramolecular rearrangement. In alkaline deaerated solutions of phenol disproportionation of phenoxyl radicals produces benzosemiquinone radical anions. Formation of this transient is suppressed by the presence of O/sub 2/. The reaction rate constants of C/sub 6/H/sub 5/OH(OH), C/sub 6/H/sub 5/OH(H), C/sub 6/H/sub 5/O, C/sub 6/H/sub 4/(OH)/sub 2/(H), and C/sub 6/H/sub 4/(OH)/sub 2/(OH) radicals with oxygen have been determined.</abstract><cop>United States</cop><pub>American Chemical Society</pub><doi>10.1021/j100550a004</doi><tpages>5</tpages></addata></record> |
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| ispartof | J. Phys. Chem.; (United States), 1976-04, Vol.80 (9), p.940-944 |
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| language | eng |
| recordid | cdi_crossref_primary_10_1021_j100550a004 |
| source | ACS Publications |
| subjects | 400600 - Radiation Chemistry ABSORPTION SPECTRA AQUEOUS SOLUTIONS AROMATICS ARYL RADICALS CHEMICAL RADIATION EFFECTS CHEMICAL REACTION KINETICS CHEMICAL REACTIONS CHEMISTRY DECOMPOSITION DISPERSIONS ELECTROMAGNETIC RADIATION GAMMA RADIATION HYDROXY COMPOUNDS IONIZING RADIATIONS IRRADIATION KINETICS MIXTURES ORGANIC COMPOUNDS PEROXY RADICALS PHENOL PHENOLS PHENYL RADICALS PULSED IRRADIATION RADIATION CHEMISTRY RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY RADIATION EFFECTS RADIATIONS RADICALS REACTION KINETICS SOLUTIONS SPECTRA |
| title | Pulse radiolytic investigations of some peroxyhydroxycyclohexadienyl radicals |
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