α-(1-adamantyl)-β-diketones are now accessible by the alkylation of Co(II) complexes of β-diketones with 1-bromoadamantane. The intermediacy of adamantyl cation is proposed. Co(II), Co(III) and Zn(II) complexes of pentane-2,4-dione react with alkyl halides precursors of stabilized carbeniumions, to give 3-alkylpentane-2,4-diones.
GONZALEZ A.; MARQUET J.; MORENO-MANAS M., TETRAHEDRON, 42,(1986) N 15, 4253-4257
作者:GONZALEZ A.、 MARQUET J.、 MORENO-MANAS M.
DOI:——
日期:——
Metal complexes in organic synthesis.
作者:A. Gonzalez、J. Marquet、M. Moreno-Mañas
DOI:10.1016/s0040-4020(01)87650-x
日期:1986.1
α-(1-Adamantyl)-β-dicarbonyl compounds are prepared by the reactions of the Co(II) complexes of β-dicarbonyl compounds with 1-bromoadamantane. This provides a route to the previously inaccessible 4-(1-adamantyl)-3.5-disubstituted pyrazoles and isoxazoles.