Kumada-Tamao-Corriu Coupling of Heteroaromatic Chlorides and Aryl Ethers Catalyzed by (IPr)Ni(allyl)Cl |
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| Authors: | María José Iglesias Auxiliadora Prieto M Carmen Nicasio |
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| Institution: | Laboratorio de Catálisis Homogénea, Departamento de Química y Ciencias de los Materiales, Unidad Asociada al CSIC, Centro de Investigación en Química Sostenible (CIQSO), Campus de El Carmen s/n, Universidad de Huelva , 21007-Huelva, Spain, Departamento de Ingeniería Química, Química Física y Química Orgánica, Universidad de Huelva , 21007-Huelva, Spain, and Departamento de Química Inorgánica, Universidad de Sevilla , Aptdo 1203, 41071-Sevilla, Spain. |
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| Abstract: | The complex (IPr)Ni(allyl)Cl (IPr = 1,3-bis(2,6-diisopropylphenyl)imidazolidene) catalyzes the cross-coupling reactions of heteroaromatic chlorides with aryl Grignard reagents. Catalyst loadings as low as 0.1 mol % have been used to afford the products in excellent yields. This nickel-based catalytic system also promotes the activation of the C(Ar)-O bond of anisoles in the Kumada-Tamao-Corriu reaction under fairly mild conditions. |
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