Synthesis, Structure, and Olefin Polymerization Catalytic Behavior of Aryl-Substituted Zirconocene Dichlorides
Standard ligand-substitution reactions afforded moderate yields of (PhC5H4)2ZrCl2 (1), (1,3-Ph2C5H3)CpZrCl2 (2), [1,3,-(C6F5)2C5H3]CpZrCl2 (5), and [1,2,4-(C6F5)2C5H3]CpZrCl2 (6). Crystal structures of 1, 2, 6, and [(C6F5)C5H4]2HfMe2 (7) were obtained. Physicochemical studies (CV, IR) show that C6F5...
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| Veröffentlicht in: | Organometallics 2004-03, Vol.23 (6), p.1333-1339 |
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| container_title | Organometallics |
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| creator | Thornberry, Matthew P. Reynolds, Nathan T. Deck, Paul A. Fronczek, Frank R. Rheingold, Arnold L. Liable-Sands, Louise M. |
| description | Standard ligand-substitution reactions afforded moderate yields of (PhC5H4)2ZrCl2 (1), (1,3-Ph2C5H3)CpZrCl2 (2), [1,3,-(C6F5)2C5H3]CpZrCl2 (5), and [1,2,4-(C6F5)2C5H3]CpZrCl2 (6). Crystal structures of 1, 2, 6, and [(C6F5)C5H4]2HfMe2 (7) were obtained. Physicochemical studies (CV, IR) show that C6F5 groups are strongly electron-withdrawing compared to phenyl groups. In ethylene-1-hexene copolymerization reactions using 1, 2, (C6F5C5H4)CpZrCl2 (3), (C6F5C5H4)2ZrCl2 (4), and 5 (toluene solution, methylalumoxane cocatalyst), C6F5 substituents decrease catalytic activity but increase comonomer incorporation compared to phenyl substituents. |
| doi_str_mv | 10.1021/om034280d |
| format | Article |
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Crystal structures of 1, 2, 6, and [(C6F5)C5H4]2HfMe2 (7) were obtained. Physicochemical studies (CV, IR) show that C6F5 groups are strongly electron-withdrawing compared to phenyl groups. In ethylene-1-hexene copolymerization reactions using 1, 2, (C6F5C5H4)CpZrCl2 (3), (C6F5C5H4)2ZrCl2 (4), and 5 (toluene solution, methylalumoxane cocatalyst), C6F5 substituents decrease catalytic activity but increase comonomer incorporation compared to phenyl substituents.</description><identifier>ISSN: 0276-7333</identifier><identifier>EISSN: 1520-6041</identifier><identifier>DOI: 10.1021/om034280d</identifier><language>eng</language><publisher>American Chemical Society</publisher><ispartof>Organometallics, 2004-03, Vol.23 (6), p.1333-1339</ispartof><rights>Copyright © 2004 American Chemical Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a295t-87961e9dafd3057ff53edd1546e2472aef6ab324e2e8a4072fc2422ff96c0d513</citedby><cites>FETCH-LOGICAL-a295t-87961e9dafd3057ff53edd1546e2472aef6ab324e2e8a4072fc2422ff96c0d513</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/om034280d$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/om034280d$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2751,27055,27903,27904,56716,56766</link.rule.ids></links><search><creatorcontrib>Thornberry, Matthew P.</creatorcontrib><creatorcontrib>Reynolds, Nathan T.</creatorcontrib><creatorcontrib>Deck, Paul A.</creatorcontrib><creatorcontrib>Fronczek, Frank R.</creatorcontrib><creatorcontrib>Rheingold, Arnold L.</creatorcontrib><creatorcontrib>Liable-Sands, Louise M.</creatorcontrib><title>Synthesis, Structure, and Olefin Polymerization Catalytic Behavior of Aryl-Substituted Zirconocene Dichlorides</title><title>Organometallics</title><addtitle>Organometallics</addtitle><description>Standard ligand-substitution reactions afforded moderate yields of (PhC5H4)2ZrCl2 (1), (1,3-Ph2C5H3)CpZrCl2 (2), [1,3,-(C6F5)2C5H3]CpZrCl2 (5), and [1,2,4-(C6F5)2C5H3]CpZrCl2 (6). Crystal structures of 1, 2, 6, and [(C6F5)C5H4]2HfMe2 (7) were obtained. Physicochemical studies (CV, IR) show that C6F5 groups are strongly electron-withdrawing compared to phenyl groups. In ethylene-1-hexene copolymerization reactions using 1, 2, (C6F5C5H4)CpZrCl2 (3), (C6F5C5H4)2ZrCl2 (4), and 5 (toluene solution, methylalumoxane cocatalyst), C6F5 substituents decrease catalytic activity but increase comonomer incorporation compared to phenyl substituents.</description><issn>0276-7333</issn><issn>1520-6041</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNpt0M1KAzEUhuEgCtbqwjvIxoXgaH5mJu2ytrYqhRZaRdyENDmhqdOJJBlxvHorFVeuzubhg_MidE7JNSWM3vgt4TnrEXOAOrRgJCtJTg9RhzBRZoJzfoxOYtwQQkrBWQfVi7ZOa4guXuFFCo1OTYArrGqDZxVYV-O5r9otBPelkvM1HqqkqjY5jW9hrT6cD9hbPAhtlS2aVUwuNQkMfnVB-9prqAGPnF5XPjgD8RQdWVVFOPu9XfQ0vlsO77PpbPIwHEwzxfpFynqiX1LoG2UNJ4WwtuBgDC3yElgumAJbqhVnOTDoqZwIZjXLGbO2X2piCsq76HK_q4OPMYCV78FtVWglJfInlPwLtbPZ3rqY4PMPqvAmd41EIZfzhXwW8_HL5HEk852_2Hulo9z4JtS7T_7Z_QbnKXjE</recordid><startdate>20040315</startdate><enddate>20040315</enddate><creator>Thornberry, Matthew P.</creator><creator>Reynolds, Nathan T.</creator><creator>Deck, Paul A.</creator><creator>Fronczek, Frank R.</creator><creator>Rheingold, Arnold L.</creator><creator>Liable-Sands, Louise M.</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20040315</creationdate><title>Synthesis, Structure, and Olefin Polymerization Catalytic Behavior of Aryl-Substituted Zirconocene Dichlorides</title><author>Thornberry, Matthew P. ; Reynolds, Nathan T. ; Deck, Paul A. ; Fronczek, Frank R. ; Rheingold, Arnold L. ; Liable-Sands, Louise M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a295t-87961e9dafd3057ff53edd1546e2472aef6ab324e2e8a4072fc2422ff96c0d513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Thornberry, Matthew P.</creatorcontrib><creatorcontrib>Reynolds, Nathan T.</creatorcontrib><creatorcontrib>Deck, Paul A.</creatorcontrib><creatorcontrib>Fronczek, Frank R.</creatorcontrib><creatorcontrib>Rheingold, Arnold L.</creatorcontrib><creatorcontrib>Liable-Sands, Louise M.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><jtitle>Organometallics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Thornberry, Matthew P.</au><au>Reynolds, Nathan T.</au><au>Deck, Paul A.</au><au>Fronczek, Frank R.</au><au>Rheingold, Arnold L.</au><au>Liable-Sands, Louise M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis, Structure, and Olefin Polymerization Catalytic Behavior of Aryl-Substituted Zirconocene Dichlorides</atitle><jtitle>Organometallics</jtitle><addtitle>Organometallics</addtitle><date>2004-03-15</date><risdate>2004</risdate><volume>23</volume><issue>6</issue><spage>1333</spage><epage>1339</epage><pages>1333-1339</pages><issn>0276-7333</issn><eissn>1520-6041</eissn><abstract>Standard ligand-substitution reactions afforded moderate yields of (PhC5H4)2ZrCl2 (1), (1,3-Ph2C5H3)CpZrCl2 (2), [1,3,-(C6F5)2C5H3]CpZrCl2 (5), and [1,2,4-(C6F5)2C5H3]CpZrCl2 (6). Crystal structures of 1, 2, 6, and [(C6F5)C5H4]2HfMe2 (7) were obtained. Physicochemical studies (CV, IR) show that C6F5 groups are strongly electron-withdrawing compared to phenyl groups. In ethylene-1-hexene copolymerization reactions using 1, 2, (C6F5C5H4)CpZrCl2 (3), (C6F5C5H4)2ZrCl2 (4), and 5 (toluene solution, methylalumoxane cocatalyst), C6F5 substituents decrease catalytic activity but increase comonomer incorporation compared to phenyl substituents.</abstract><pub>American Chemical Society</pub><doi>10.1021/om034280d</doi><tpages>7</tpages></addata></record> |
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| source | ACS Publications |
| title | Synthesis, Structure, and Olefin Polymerization Catalytic Behavior of Aryl-Substituted Zirconocene Dichlorides |
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