Cobalt 1,3-Diisopropyl-1H-imidazol-2-ylidene Complexes : Synthesis, Solid-State Structures, and Quantum Chemistry Calculations
The reaction of (η(5)-C(5)H(5))Co(PPh(3))(2) with 1,3-bis(isopropyl)imidazol-2-ylidene (Im(i)Pr(2)) leads to the formation of (η(5)-C(5)H(5))Co(PPh(3))(Im(i)Pr(2)). In a similar fashion (η(5)-C(5)H(5))Co(Im(i)Pr(2))(CO) is formed from (η(5)-C(5)H(5))Co(CO)(2). The barrier to rotation about the Co-C(...
| Publié dans: | Organometallics. - 1998. - 29(2010), 24 vom: 27. Dez., Seite 6695-6702 |
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| Auteur principal: | |
| Autres auteurs: | , , , , |
| Format: | Article |
| Langue: | English |
| Publié: |
2010
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| Accès à la collection: | Organometallics |
| Sujets: | Journal Article |
| Résumé: | The reaction of (η(5)-C(5)H(5))Co(PPh(3))(2) with 1,3-bis(isopropyl)imidazol-2-ylidene (Im(i)Pr(2)) leads to the formation of (η(5)-C(5)H(5))Co(PPh(3))(Im(i)Pr(2)). In a similar fashion (η(5)-C(5)H(5))Co(Im(i)Pr(2))(CO) is formed from (η(5)-C(5)H(5))Co(CO)(2). The barrier to rotation about the Co-C(carbene) bond in the latter complex has been determined by variable-temperature (1)H NMR spectroscopy (13.6 kcal/mol) and by computation (13.3 kcal/mol). The structural and dynamic properties of (η(5)-C(5)H(5))Co(ImMe(2))(CO) (ImMe(2) = 1,3-dimethylimidazol-2-ylidene) and (η(5)-C(5)H(5))Co(ImAr(2))(CO) (ImAr(2) = 1,3-dimesityl-2-ylidene) were examined by quantum chemistry calculations |
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| Description: | Date Revised 20.10.2021 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
| ISSN: | 0276-7333 |