Rhodium(I) catalyzed four-component reaction of Fischer alkenyl carbene complexes and 1,1-diphenylallene |
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| Authors: | José Barluenga,Rubé n Vicente,Luis A. Ló pez,Miguel Tomá s |
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| Affiliation: | Instituto de Química Organometálica ‘Enrique Moles’, Unidad Asociada al C.S.I.C., Universidad de Oviedo, Julián Clavería 8, 33006 Oviedo, Spain |
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| Abstract: | Alkyl substituted chromium Fischer carbene complexes react with 1,1-diphenylallene in the presence of rhodium(I) catalysts (10 mol%) to yield highly substituted dienyl indenone derivatives. In this process a catalytic chromium(0)-rhodium(I) exchange occurs, four new C-C bonds are created, and four-components (two allenes, the carbene ligand and one CO ligand) are joined in a chemo- and regioselective manner. |
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| Keywords: | Chromium carbenes Rhodium(I) carbenes Carbene transfer Allenes Multicomponent reactions C-H activation |
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