Free radicals in photolysis of mixed phosphonium–iodonium ylides and in their reactions with acetylenes

UV irradiation of mixed phosphonium–iodonium ylide in CH 2 Cl 2 leads to formation of free radicals with lifetimes of a few minutes detected by EPR. In mixtures of ylides with acetylenes, the structure of radicals changes, and their concentration and stability increase. In the presence of acetylenes...

Full description

Saved in:
Bibliographic Details
Published in:Doklady. Physical chemistry (1991) 2017-06, Vol.474 (2), p.109-113
Main Authors: Nekipelova, T. D., Kasparov, V. V., Kovarskii, A. L., Vorobiev, A. Kh, Podrugina, T. A., Vinogradov, D. S., Kuzmin, V. A., Zefirov, N. S.
Format: Article
Language:English
Subjects:
Acetylene
Chemistry
Chemistry and Materials Science
Free radicals
Irradiation
Nuclei
Photolysis
Physical Chemistry
Residues
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
cited_by cdi_FETCH-LOGICAL-c316t-fa843679cf8e9616a1ce3f626018c45b66734c4d25ca2cc2801c76a7311745d3
cites cdi_FETCH-LOGICAL-c316t-fa843679cf8e9616a1ce3f626018c45b66734c4d25ca2cc2801c76a7311745d3
container_end_page 113
container_issue 2
container_start_page 109
container_title Doklady. Physical chemistry (1991)
container_volume 474
creator Nekipelova, T. D.
Kasparov, V. V.
Kovarskii, A. L.
Vorobiev, A. Kh
Podrugina, T. A.
Vinogradov, D. S.
Kuzmin, V. A.
Zefirov, N. S.
description UV irradiation of mixed phosphonium–iodonium ylide in CH 2 Cl 2 leads to formation of free radicals with lifetimes of a few minutes detected by EPR. In mixtures of ylides with acetylenes, the structure of radicals changes, and their concentration and stability increase. In the presence of acetylenes, the radicals contain ylide and acetylene residues, and their EPR spectra have hyperfine coupling constants typical for 31 P nuclei in C-radicals and for 1 H nuclei, depending on the acetylene structure. It has been demonstrated that the observed radical products are formed from short-lived primary radicals.
doi_str_mv 10.1134/S0012501617060070
format article
fullrecord <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_1918611296</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>1918611296</sourcerecordid><originalsourceid>FETCH-LOGICAL-c316t-fa843679cf8e9616a1ce3f626018c45b66734c4d25ca2cc2801c76a7311745d3</originalsourceid><addsrcrecordid>eNp1UM1KxDAQDqLguvoA3gKeqzNJm7RHWVwVFjy49xLTqZul26xJF-3Nd_ANfRJb14MgHoYZ5vuDj7FzhEtEmV49AqDIABVqUAAaDtgEFeSJRIGHbDLCyYgfs5MY1wBQaFlMmJsHIh5M5axpInct365855s-ush9zTfujarxF4dp3W7z-f7hfPV98r5xFUVu2moUditygQcytnO-jfzVdStuLHV9Qy3FU3ZUDxF09rOnbDm_Wc7uksXD7f3sepFYiapLapOnUunC1jkVCpVBS7JWQgHmNs2elNIytWklMmuEtSIHtFoZLRF1mlVyyi72ttvgX3YUu3Ltd6EdEkssMFeIolADC_csG3yMgepyG9zGhL5EKMdCyz-FDhqx18SB2z5T-OX8r-gLIOd44g</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1918611296</pqid></control><display><type>article</type><title>Free radicals in photolysis of mixed phosphonium–iodonium ylides and in their reactions with acetylenes</title><source>Springer Nature</source><creator>Nekipelova, T. D. ; Kasparov, V. V. ; Kovarskii, A. L. ; Vorobiev, A. Kh ; Podrugina, T. A. ; Vinogradov, D. S. ; Kuzmin, V. A. ; Zefirov, N. S.</creator><creatorcontrib>Nekipelova, T. D. ; Kasparov, V. V. ; Kovarskii, A. L. ; Vorobiev, A. Kh ; Podrugina, T. A. ; Vinogradov, D. S. ; Kuzmin, V. A. ; Zefirov, N. S.</creatorcontrib><description>UV irradiation of mixed phosphonium–iodonium ylide in CH 2 Cl 2 leads to formation of free radicals with lifetimes of a few minutes detected by EPR. In mixtures of ylides with acetylenes, the structure of radicals changes, and their concentration and stability increase. In the presence of acetylenes, the radicals contain ylide and acetylene residues, and their EPR spectra have hyperfine coupling constants typical for 31 P nuclei in C-radicals and for 1 H nuclei, depending on the acetylene structure. It has been demonstrated that the observed radical products are formed from short-lived primary radicals.</description><identifier>ISSN: 0012-5016</identifier><identifier>EISSN: 1608-3121</identifier><identifier>DOI: 10.1134/S0012501617060070</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Acetylene ; Chemistry ; Chemistry and Materials Science ; Free radicals ; Irradiation ; Nuclei ; Photolysis ; Physical Chemistry ; Residues</subject><ispartof>Doklady. Physical chemistry (1991), 2017-06, Vol.474 (2), p.109-113</ispartof><rights>Pleiades Publishing, Ltd. 2017</rights><rights>Copyright Springer Science &amp; Business Media 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-fa843679cf8e9616a1ce3f626018c45b66734c4d25ca2cc2801c76a7311745d3</citedby><cites>FETCH-LOGICAL-c316t-fa843679cf8e9616a1ce3f626018c45b66734c4d25ca2cc2801c76a7311745d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Nekipelova, T. D.</creatorcontrib><creatorcontrib>Kasparov, V. V.</creatorcontrib><creatorcontrib>Kovarskii, A. L.</creatorcontrib><creatorcontrib>Vorobiev, A. Kh</creatorcontrib><creatorcontrib>Podrugina, T. A.</creatorcontrib><creatorcontrib>Vinogradov, D. S.</creatorcontrib><creatorcontrib>Kuzmin, V. A.</creatorcontrib><creatorcontrib>Zefirov, N. S.</creatorcontrib><title>Free radicals in photolysis of mixed phosphonium–iodonium ylides and in their reactions with acetylenes</title><title>Doklady. Physical chemistry (1991)</title><addtitle>Dokl Phys Chem</addtitle><description>UV irradiation of mixed phosphonium–iodonium ylide in CH 2 Cl 2 leads to formation of free radicals with lifetimes of a few minutes detected by EPR. In mixtures of ylides with acetylenes, the structure of radicals changes, and their concentration and stability increase. In the presence of acetylenes, the radicals contain ylide and acetylene residues, and their EPR spectra have hyperfine coupling constants typical for 31 P nuclei in C-radicals and for 1 H nuclei, depending on the acetylene structure. It has been demonstrated that the observed radical products are formed from short-lived primary radicals.</description><subject>Acetylene</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Free radicals</subject><subject>Irradiation</subject><subject>Nuclei</subject><subject>Photolysis</subject><subject>Physical Chemistry</subject><subject>Residues</subject><issn>0012-5016</issn><issn>1608-3121</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp1UM1KxDAQDqLguvoA3gKeqzNJm7RHWVwVFjy49xLTqZul26xJF-3Nd_ANfRJb14MgHoYZ5vuDj7FzhEtEmV49AqDIABVqUAAaDtgEFeSJRIGHbDLCyYgfs5MY1wBQaFlMmJsHIh5M5axpInct365855s-ush9zTfujarxF4dp3W7z-f7hfPV98r5xFUVu2moUditygQcytnO-jfzVdStuLHV9Qy3FU3ZUDxF09rOnbDm_Wc7uksXD7f3sepFYiapLapOnUunC1jkVCpVBS7JWQgHmNs2elNIytWklMmuEtSIHtFoZLRF1mlVyyi72ttvgX3YUu3Ltd6EdEkssMFeIolADC_csG3yMgepyG9zGhL5EKMdCyz-FDhqx18SB2z5T-OX8r-gLIOd44g</recordid><startdate>20170601</startdate><enddate>20170601</enddate><creator>Nekipelova, T. D.</creator><creator>Kasparov, V. V.</creator><creator>Kovarskii, A. L.</creator><creator>Vorobiev, A. Kh</creator><creator>Podrugina, T. A.</creator><creator>Vinogradov, D. S.</creator><creator>Kuzmin, V. A.</creator><creator>Zefirov, N. S.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20170601</creationdate><title>Free radicals in photolysis of mixed phosphonium–iodonium ylides and in their reactions with acetylenes</title><author>Nekipelova, T. D. ; Kasparov, V. V. ; Kovarskii, A. L. ; Vorobiev, A. Kh ; Podrugina, T. A. ; Vinogradov, D. S. ; Kuzmin, V. A. ; Zefirov, N. S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-fa843679cf8e9616a1ce3f626018c45b66734c4d25ca2cc2801c76a7311745d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Acetylene</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Free radicals</topic><topic>Irradiation</topic><topic>Nuclei</topic><topic>Photolysis</topic><topic>Physical Chemistry</topic><topic>Residues</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nekipelova, T. D.</creatorcontrib><creatorcontrib>Kasparov, V. V.</creatorcontrib><creatorcontrib>Kovarskii, A. L.</creatorcontrib><creatorcontrib>Vorobiev, A. Kh</creatorcontrib><creatorcontrib>Podrugina, T. A.</creatorcontrib><creatorcontrib>Vinogradov, D. S.</creatorcontrib><creatorcontrib>Kuzmin, V. A.</creatorcontrib><creatorcontrib>Zefirov, N. S.</creatorcontrib><collection>CrossRef</collection><jtitle>Doklady. Physical chemistry (1991)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nekipelova, T. D.</au><au>Kasparov, V. V.</au><au>Kovarskii, A. L.</au><au>Vorobiev, A. Kh</au><au>Podrugina, T. A.</au><au>Vinogradov, D. S.</au><au>Kuzmin, V. A.</au><au>Zefirov, N. S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Free radicals in photolysis of mixed phosphonium–iodonium ylides and in their reactions with acetylenes</atitle><jtitle>Doklady. Physical chemistry (1991)</jtitle><stitle>Dokl Phys Chem</stitle><date>2017-06-01</date><risdate>2017</risdate><volume>474</volume><issue>2</issue><spage>109</spage><epage>113</epage><pages>109-113</pages><issn>0012-5016</issn><eissn>1608-3121</eissn><abstract>UV irradiation of mixed phosphonium–iodonium ylide in CH 2 Cl 2 leads to formation of free radicals with lifetimes of a few minutes detected by EPR. In mixtures of ylides with acetylenes, the structure of radicals changes, and their concentration and stability increase. In the presence of acetylenes, the radicals contain ylide and acetylene residues, and their EPR spectra have hyperfine coupling constants typical for 31 P nuclei in C-radicals and for 1 H nuclei, depending on the acetylene structure. It has been demonstrated that the observed radical products are formed from short-lived primary radicals.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S0012501617060070</doi><tpages>5</tpages></addata></record>
fulltext fulltext
identifier ISSN: 0012-5016
ispartof Doklady. Physical chemistry (1991), 2017-06, Vol.474 (2), p.109-113
issn 0012-5016
1608-3121
language eng
recordid cdi_proquest_journals_1918611296
source Springer Nature
subjects Acetylene
Chemistry
Chemistry and Materials Science
Free radicals
Irradiation
Nuclei
Photolysis
Physical Chemistry
Residues
title Free radicals in photolysis of mixed phosphonium–iodonium ylides and in their reactions with acetylenes
url http://sfxeu10.hosted.exlibrisgroup.com/loughborough?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-06T23%3A00%3A33IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Free%20radicals%20in%20photolysis%20of%20mixed%20phosphonium%E2%80%93iodonium%20ylides%20and%20in%20their%20reactions%20with%20acetylenes&rft.jtitle=Doklady.%20Physical%20chemistry%20(1991)&rft.au=Nekipelova,%20T.%20D.&rft.date=2017-06-01&rft.volume=474&rft.issue=2&rft.spage=109&rft.epage=113&rft.pages=109-113&rft.issn=0012-5016&rft.eissn=1608-3121&rft_id=info:doi/10.1134/S0012501617060070&rft_dat=%3Cproquest_cross%3E1918611296%3C/proquest_cross%3E%3Cgrp_id%3Ecdi_FETCH-LOGICAL-c316t-fa843679cf8e9616a1ce3f626018c45b66734c4d25ca2cc2801c76a7311745d3%3C/grp_id%3E%3Coa%3E%3C/oa%3E%3Curl%3E%3C/url%3E&rft_id=info:oai/&rft_pqid=1918611296&rft_id=info:pmid/&rfr_iscdi=true