Bimetallic Carbonyl Complexes Based on Iridium and Rhodium: Useful Tools for Hydrodefluorination Reactions
A set of bimetallic complexes based on iridium and rhodium with bis(diphenylphosphino)methane, bis(di‐iso‐propylphosphino)methane, diphenyl‐2‐pyridylphosphine and 2‐(di‐iso‐propylphosphino)imidazole bridging ligands was prepared. The complexes were characterized by NMR and IR spectroscopy and studie...
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| Veröffentlicht in: | European journal of inorganic chemistry 2023-05, Vol.26 (13), p.n/a |
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| container_title | European journal of inorganic chemistry |
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| creator | Kretschmar, Konrad Pelmenschikov, Vladimir Kaupp, Martin Braun, Thomas Wittwer, Philipp Rachor, Simon Cardozo, Jesvita |
| description | A set of bimetallic complexes based on iridium and rhodium with bis(diphenylphosphino)methane, bis(di‐iso‐propylphosphino)methane, diphenyl‐2‐pyridylphosphine and 2‐(di‐iso‐propylphosphino)imidazole bridging ligands was prepared. The complexes were characterized by NMR and IR spectroscopy and studied quantum‐chemically using DFT methods. The bimetallic systems succeeded in catalytic hydrodefluorination reactions of lower fluorinated aryl fluorides using molecular hydrogen and sodium tert‐butoxide as a base. Effects of (i) ligand variation, (ii) mono‐ vs bimetallic nuclearity, and (iii) Ir vs Rh metal identity were studied and rationalized en route to achieve an effective hydrodefluorination.
Various bimetallic carbonyl complexes based on iridium and rhodium were characterized and used in the catalytic hydrodefluorination of aryl C−F bonds with dihydrogen as reductant. |
| doi_str_mv | 10.1002/ejic.202300099 |
| format | Article |
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Various bimetallic carbonyl complexes based on iridium and rhodium were characterized and used in the catalytic hydrodefluorination of aryl C−F bonds with dihydrogen as reductant.</description><subject>aryl fluorides</subject><subject>bimetallic</subject><subject>Bimetals</subject><subject>Carbonyls</subject><subject>hydrodefluorination</subject><subject>Imidazole</subject><subject>Infrared spectroscopy</subject><subject>Inorganic chemistry</subject><subject>Iridium</subject><subject>Ligands</subject><subject>Methane</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Rhodium</subject><issn>1434-1948</issn><issn>1099-0682</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>WIN</sourceid><recordid>eNqFkMFLwzAYxYsoOKdXzwHPnWmTpok3V9RNBsLYziFtEkxJm5msaP97UyZ69PTe4fe-j_eS5DaDiwzC_F61plnkMEcQQsbOklkWJYWE5ufRY4TTjGF6mVyF0EYEQURmSbs0nToKa00DKuFr148WVK47WPWlAliKoCRwPVh7I83QAdFLsH13k38A-6D0YMHOORuAdh6sRumdVNoOzpteHE1MbpVoJhOukwstbFA3PzpP9s9Pu2qVbt5e1tXjJm1QUbI0o7KkdQ61pDiWwTpDEhHJKC4UK8p66tcUhGlc1lgIJOuakchQ0jBCSI7myd3p7sG7j0GFI2_d4Pv4kucU0oyikuJILU5U410IXml-8KYTfuQZ5NOefNqT_-4ZA-wU-DRWjf_Q_Ol1Xf1lvwH_uHmm</recordid><startdate>20230502</startdate><enddate>20230502</enddate><creator>Kretschmar, Konrad</creator><creator>Pelmenschikov, Vladimir</creator><creator>Kaupp, Martin</creator><creator>Braun, Thomas</creator><creator>Wittwer, Philipp</creator><creator>Rachor, Simon</creator><creator>Cardozo, Jesvita</creator><general>Wiley Subscription Services, Inc</general><scope>24P</scope><scope>WIN</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-1629-5352</orcidid><orcidid>https://orcid.org/0000-0002-0523-4418</orcidid><orcidid>https://orcid.org/0000-0003-1582-2819</orcidid></search><sort><creationdate>20230502</creationdate><title>Bimetallic Carbonyl Complexes Based on Iridium and Rhodium: Useful Tools for Hydrodefluorination Reactions</title><author>Kretschmar, Konrad ; Pelmenschikov, Vladimir ; Kaupp, Martin ; Braun, Thomas ; Wittwer, Philipp ; Rachor, Simon ; Cardozo, Jesvita</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3579-18d78b20fd840234f13d36d9845e957b2300c569f47b4aa3dbb9613d86c966623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>aryl fluorides</topic><topic>bimetallic</topic><topic>Bimetals</topic><topic>Carbonyls</topic><topic>hydrodefluorination</topic><topic>Imidazole</topic><topic>Infrared spectroscopy</topic><topic>Inorganic chemistry</topic><topic>Iridium</topic><topic>Ligands</topic><topic>Methane</topic><topic>NMR</topic><topic>Nuclear magnetic resonance</topic><topic>Rhodium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kretschmar, Konrad</creatorcontrib><creatorcontrib>Pelmenschikov, Vladimir</creatorcontrib><creatorcontrib>Kaupp, Martin</creatorcontrib><creatorcontrib>Braun, Thomas</creatorcontrib><creatorcontrib>Wittwer, Philipp</creatorcontrib><creatorcontrib>Rachor, Simon</creatorcontrib><creatorcontrib>Cardozo, Jesvita</creatorcontrib><collection>Wiley Online Library Open Access</collection><collection>Wiley Free Content</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>European journal of inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kretschmar, Konrad</au><au>Pelmenschikov, Vladimir</au><au>Kaupp, Martin</au><au>Braun, Thomas</au><au>Wittwer, Philipp</au><au>Rachor, Simon</au><au>Cardozo, Jesvita</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bimetallic Carbonyl Complexes Based on Iridium and Rhodium: Useful Tools for Hydrodefluorination Reactions</atitle><jtitle>European journal of inorganic chemistry</jtitle><date>2023-05-02</date><risdate>2023</risdate><volume>26</volume><issue>13</issue><epage>n/a</epage><issn>1434-1948</issn><eissn>1099-0682</eissn><abstract>A set of bimetallic complexes based on iridium and rhodium with bis(diphenylphosphino)methane, bis(di‐iso‐propylphosphino)methane, diphenyl‐2‐pyridylphosphine and 2‐(di‐iso‐propylphosphino)imidazole bridging ligands was prepared. The complexes were characterized by NMR and IR spectroscopy and studied quantum‐chemically using DFT methods. The bimetallic systems succeeded in catalytic hydrodefluorination reactions of lower fluorinated aryl fluorides using molecular hydrogen and sodium tert‐butoxide as a base. Effects of (i) ligand variation, (ii) mono‐ vs bimetallic nuclearity, and (iii) Ir vs Rh metal identity were studied and rationalized en route to achieve an effective hydrodefluorination.
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| subjects | aryl fluorides bimetallic Bimetals Carbonyls hydrodefluorination Imidazole Infrared spectroscopy Inorganic chemistry Iridium Ligands Methane NMR Nuclear magnetic resonance Rhodium |
| title | Bimetallic Carbonyl Complexes Based on Iridium and Rhodium: Useful Tools for Hydrodefluorination Reactions |
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