Stereoelectronic Effects Characterizing Nucleophilic Carbene Ligands Bound to the CpRuCl (Cp = η5-C5Me5) Moiety: A Structural and Thermochemical Investigation
The reaction of [Cp*RuCl]4 (1) with carbene ligands affords unsaturated Cp*Ru(L)Cl [Cp* = η5-C5Me5; L = 1,3-R2-imidazol-2-ylidene [R = cyclohexyl (ICy, 2); 4-methylphenyl (ITol, 3); 4-chlorophenyl (IpCl, 4); adamantyl (IAd, 5)] and 4,5-dichloro-1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene (IMesC...
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| Veröffentlicht in: | Organometallics 1999-06, Vol.18 (12), p.2370-2375 |
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| container_title | Organometallics |
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| creator | Huang, Jinkun Schanz, Hans-Jörg Stevens, Edwin D Nolan, Steven P |
| description | The reaction of [Cp*RuCl]4 (1) with carbene ligands affords unsaturated Cp*Ru(L)Cl [Cp* = η5-C5Me5; L = 1,3-R2-imidazol-2-ylidene [R = cyclohexyl (ICy, 2); 4-methylphenyl (ITol, 3); 4-chlorophenyl (IpCl, 4); adamantyl (IAd, 5)] and 4,5-dichloro-1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene (IMesCl, 6)] complexes 2−6 in high yield. Solution calorimetric investigations of this series provides a measure of the electron donor properties of all ligands, and comparisons are made with IMes [1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene] and the widely used PCy3. Structural information from single X-ray studies for complexes 2, 3, 5, 6, Cp*Ru(IMes)Cl (7), Cp*Ru(PCy3)Cl (8), and Cp*Ru(PiPr3)Cl (9) permits a quantitative treatment of steric parameters associated with these ligands. |
| doi_str_mv | 10.1021/om990054l |
| format | Article |
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Solution calorimetric investigations of this series provides a measure of the electron donor properties of all ligands, and comparisons are made with IMes [1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene] and the widely used PCy3. Structural information from single X-ray studies for complexes 2, 3, 5, 6, Cp*Ru(IMes)Cl (7), Cp*Ru(PCy3)Cl (8), and Cp*Ru(PiPr3)Cl (9) permits a quantitative treatment of steric parameters associated with these ligands.</description><identifier>ISSN: 0276-7333</identifier><identifier>EISSN: 1520-6041</identifier><identifier>DOI: 10.1021/om990054l</identifier><language>eng</language><publisher>American Chemical Society</publisher><ispartof>Organometallics, 1999-06, Vol.18 (12), p.2370-2375</ispartof><rights>Copyright © 1999 American Chemical Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a276t-d047a93f5125ab9f081c030287a9b077453c0bd7f3a3f2c410a8e71f95c32d6f3</citedby><cites>FETCH-LOGICAL-a276t-d047a93f5125ab9f081c030287a9b077453c0bd7f3a3f2c410a8e71f95c32d6f3</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/om990054l$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/om990054l$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,2765,27076,27924,27925,56738,56788</link.rule.ids></links><search><creatorcontrib>Huang, Jinkun</creatorcontrib><creatorcontrib>Schanz, Hans-Jörg</creatorcontrib><creatorcontrib>Stevens, Edwin D</creatorcontrib><creatorcontrib>Nolan, Steven P</creatorcontrib><title>Stereoelectronic Effects Characterizing Nucleophilic Carbene Ligands Bound to the CpRuCl (Cp = η5-C5Me5) Moiety: A Structural and Thermochemical Investigation</title><title>Organometallics</title><addtitle>Organometallics</addtitle><description>The reaction of [Cp*RuCl]4 (1) with carbene ligands affords unsaturated Cp*Ru(L)Cl [Cp* = η5-C5Me5; L = 1,3-R2-imidazol-2-ylidene [R = cyclohexyl (ICy, 2); 4-methylphenyl (ITol, 3); 4-chlorophenyl (IpCl, 4); adamantyl (IAd, 5)] and 4,5-dichloro-1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene (IMesCl, 6)] complexes 2−6 in high yield. Solution calorimetric investigations of this series provides a measure of the electron donor properties of all ligands, and comparisons are made with IMes [1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene] and the widely used PCy3. Structural information from single X-ray studies for complexes 2, 3, 5, 6, Cp*Ru(IMes)Cl (7), Cp*Ru(PCy3)Cl (8), and Cp*Ru(PiPr3)Cl (9) permits a quantitative treatment of steric parameters associated with these ligands.</description><issn>0276-7333</issn><issn>1520-6041</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNptkE1uFDEQRi0EEkNgwQ28QSKLhnK73Z5GYhFa-SMTQMzA1vK4y2mHnvbIdkdJVtlyDS7BLTgEJ8FoUFasqvTV05PqI-Q5g1cMSvbab5oGQFTDAzJjooSihoo9JDMoZV1Izvlj8iTGSwCoJS9n5McyYUCPA5oU_OgMPbQ275G2vQ7a5Ku7deMF_TCZAf22d0NmWh3WOCJduAs9dpG-89PY0eRp6pG2289TO9CX7Za-pb9-iqIV5yj26bl3mG7e_L77Tg_oMoXJpCnogWYDXfUYNt70uHEmR6fjFcaU5cn58Sl5ZPUQ8dm_uUe-HB2u2pNi8fH4tD1YFDr_looOKqkbbgUrhV43FubMAIdyntM1SFkJbmDdScs1t6WpGOg5SmYbYXjZ1Zbvkf2d1wQfY0CrtsFtdLhRDNTfctV9uZktdqyLCa_vQR2-qdyrFGr1aamO3tdf-QJO1FnmX-x4baK69FMY8yf_8f4B3GmKfw</recordid><startdate>19990607</startdate><enddate>19990607</enddate><creator>Huang, Jinkun</creator><creator>Schanz, Hans-Jörg</creator><creator>Stevens, Edwin D</creator><creator>Nolan, Steven P</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19990607</creationdate><title>Stereoelectronic Effects Characterizing Nucleophilic Carbene Ligands Bound to the CpRuCl (Cp = η5-C5Me5) Moiety: A Structural and Thermochemical Investigation</title><author>Huang, Jinkun ; Schanz, Hans-Jörg ; Stevens, Edwin D ; Nolan, Steven P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a276t-d047a93f5125ab9f081c030287a9b077453c0bd7f3a3f2c410a8e71f95c32d6f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Jinkun</creatorcontrib><creatorcontrib>Schanz, Hans-Jörg</creatorcontrib><creatorcontrib>Stevens, Edwin D</creatorcontrib><creatorcontrib>Nolan, Steven P</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><jtitle>Organometallics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Jinkun</au><au>Schanz, Hans-Jörg</au><au>Stevens, Edwin D</au><au>Nolan, Steven P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stereoelectronic Effects Characterizing Nucleophilic Carbene Ligands Bound to the CpRuCl (Cp = η5-C5Me5) Moiety: A Structural and Thermochemical Investigation</atitle><jtitle>Organometallics</jtitle><addtitle>Organometallics</addtitle><date>1999-06-07</date><risdate>1999</risdate><volume>18</volume><issue>12</issue><spage>2370</spage><epage>2375</epage><pages>2370-2375</pages><issn>0276-7333</issn><eissn>1520-6041</eissn><abstract>The reaction of [Cp*RuCl]4 (1) with carbene ligands affords unsaturated Cp*Ru(L)Cl [Cp* = η5-C5Me5; L = 1,3-R2-imidazol-2-ylidene [R = cyclohexyl (ICy, 2); 4-methylphenyl (ITol, 3); 4-chlorophenyl (IpCl, 4); adamantyl (IAd, 5)] and 4,5-dichloro-1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene (IMesCl, 6)] complexes 2−6 in high yield. Solution calorimetric investigations of this series provides a measure of the electron donor properties of all ligands, and comparisons are made with IMes [1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene] and the widely used PCy3. Structural information from single X-ray studies for complexes 2, 3, 5, 6, Cp*Ru(IMes)Cl (7), Cp*Ru(PCy3)Cl (8), and Cp*Ru(PiPr3)Cl (9) permits a quantitative treatment of steric parameters associated with these ligands.</abstract><pub>American Chemical Society</pub><doi>10.1021/om990054l</doi><tpages>6</tpages></addata></record> |
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| source | American Chemical Society Journals |
| title | Stereoelectronic Effects Characterizing Nucleophilic Carbene Ligands Bound to the CpRuCl (Cp = η5-C5Me5) Moiety: A Structural and Thermochemical Investigation |
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