Evidence that SCS Pincer Pd(II) Complexes are only Precatalysts in Heck Catalysis and the Implications for Catalyst Recovery and Reuse
SCS‐pincer Pd(II) complexes have been covalently immobilized onto porous silica, cross‐linked polymer (Merrifield resin) and soluble poly(norbornene) supports via either amide or urea linkages and evaluated in the Heck coupling of iodobenzene with n‐butyl acrylate. Kinetic experiments and poisoning...
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| Veröffentlicht in: | Advanced synthesis & catalysis 2005-01, Vol.347 (1), p.161-171 |
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| container_title | Advanced synthesis & catalysis |
| container_volume | 347 |
| creator | Yu, Kunquan Sommer, William Richardson, John M. Weck, Marcus Jones, Christopher W. |
| description | SCS‐pincer Pd(II) complexes have been covalently immobilized onto porous silica, cross‐linked polymer (Merrifield resin) and soluble poly(norbornene) supports via either amide or urea linkages and evaluated in the Heck coupling of iodobenzene with n‐butyl acrylate. Kinetic experiments and poisoning studies indicate that in all cases the pincer complexes merely act as precatalysts. Contrary to literature reports, there is no evidence for catalysis by the intact amide‐linked SCS‐Pd(II) complexes under any conditions studied here. |
| doi_str_mv | 10.1002/adsc.200404264 |
| format | Article |
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Kinetic experiments and poisoning studies indicate that in all cases the pincer complexes merely act as precatalysts. Contrary to literature reports, there is no evidence for catalysis by the intact amide‐linked SCS‐Pd(II) complexes under any conditions studied here.</description><identifier>ISSN: 1615-4150</identifier><identifier>EISSN: 1615-4169</identifier><identifier>DOI: 10.1002/adsc.200404264</identifier><language>eng</language><publisher>Weinheim: WILEY-VCH Verlag</publisher><subject>biphasic catalysis ; Heck reaction ; immobilization ; leaching ; palladium ; pincer complex</subject><ispartof>Advanced synthesis & catalysis, 2005-01, Vol.347 (1), p.161-171</ispartof><rights>Copyright © 2005 WILEY‐VCH Verlag GmbH & Co. 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Contrary to literature reports, there is no evidence for catalysis by the intact amide‐linked SCS‐Pd(II) complexes under any conditions studied here.</description><subject>biphasic catalysis</subject><subject>Heck reaction</subject><subject>immobilization</subject><subject>leaching</subject><subject>palladium</subject><subject>pincer complex</subject><issn>1615-4150</issn><issn>1615-4169</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqFkM1PwjAchhejiYhePfeoh2G7fowdcSKQEEQgIfHSlPa3WJmbaSeyf8C_2yFKvHn6feR53sMbBJcEdwjG0Y0yXncijBlmkWBHQYsIwkNGRHJ82Dk-Dc68f8GYxN04bgWf_Y01UGhA1bOq0Dydo6ltToem5mo0ukZp-fqWwxY8Ug5QWeQ1mjrQqlJ57SuPbIGGoNco3X9swxWmCQM0akTbgLYsPMpK94tUaAa63ICrv9EZvHs4D04ylXu4-JntYHHfX6TDcPwwGKW9cahpFLOQGcZ4oiODFc1MVwugkIkoxnzFk8wkiaHdFReCCZJoumKKc81XlEBMMADQdtDZx2pXeu8gk2_OvipXS4LlrkS5K1EeSmyEZC982Bzqf2jZu5unf91w71pfwfbgKreWIqYxl8vJQN6S5HEyFU9ySb8AWQOGeA</recordid><startdate>200501</startdate><enddate>200501</enddate><creator>Yu, Kunquan</creator><creator>Sommer, William</creator><creator>Richardson, John M.</creator><creator>Weck, Marcus</creator><creator>Jones, Christopher W.</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>200501</creationdate><title>Evidence that SCS Pincer Pd(II) Complexes are only Precatalysts in Heck Catalysis and the Implications for Catalyst Recovery and Reuse</title><author>Yu, Kunquan ; Sommer, William ; Richardson, John M. ; Weck, Marcus ; Jones, Christopher W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3274-4d4459c2d0a3fd8c6e3ef62705b59fd99d38b5664619c3b4a55c5b31e710eee3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>biphasic catalysis</topic><topic>Heck reaction</topic><topic>immobilization</topic><topic>leaching</topic><topic>palladium</topic><topic>pincer complex</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yu, Kunquan</creatorcontrib><creatorcontrib>Sommer, William</creatorcontrib><creatorcontrib>Richardson, John M.</creatorcontrib><creatorcontrib>Weck, Marcus</creatorcontrib><creatorcontrib>Jones, Christopher W.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><jtitle>Advanced synthesis & catalysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yu, Kunquan</au><au>Sommer, William</au><au>Richardson, John M.</au><au>Weck, Marcus</au><au>Jones, Christopher W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evidence that SCS Pincer Pd(II) Complexes are only Precatalysts in Heck Catalysis and the Implications for Catalyst Recovery and Reuse</atitle><jtitle>Advanced synthesis & catalysis</jtitle><addtitle>Adv. Synth. Catal</addtitle><date>2005-01</date><risdate>2005</risdate><volume>347</volume><issue>1</issue><spage>161</spage><epage>171</epage><pages>161-171</pages><issn>1615-4150</issn><eissn>1615-4169</eissn><abstract>SCS‐pincer Pd(II) complexes have been covalently immobilized onto porous silica, cross‐linked polymer (Merrifield resin) and soluble poly(norbornene) supports via either amide or urea linkages and evaluated in the Heck coupling of iodobenzene with n‐butyl acrylate. Kinetic experiments and poisoning studies indicate that in all cases the pincer complexes merely act as precatalysts. Contrary to literature reports, there is no evidence for catalysis by the intact amide‐linked SCS‐Pd(II) complexes under any conditions studied here.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/adsc.200404264</doi><tpages>11</tpages></addata></record> |
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| ispartof | Advanced synthesis & catalysis, 2005-01, Vol.347 (1), p.161-171 |
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| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | biphasic catalysis Heck reaction immobilization leaching palladium pincer complex |
| title | Evidence that SCS Pincer Pd(II) Complexes are only Precatalysts in Heck Catalysis and the Implications for Catalyst Recovery and Reuse |
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