Synthesis and characterization of the first examples of ferrocene and [η5-CpCo(η4-C4Ph4)] derived 2-pyridones
作者： Karunesh Keshav , Anil J. Elias
DOI: 10.1016/J.INOCHE.2013.07.012
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摘要: Abstract Reactions of ferrocene and (η5-cyclopentadienyl)(η4-tetraphenylcyclobutadiene)cobalt derived alkynylaldehydes with p-anisidine gave the corresponding metal sandwich based alkynylimines, 4-methoxy-N-(3-ferrocenylprop-2-ynylidene)aniline 4-methoxy-N-[3-(η5-cyclopentadienyl)(η4-tetra-phenylcyclobutadiene)cobalt prop-2-ynylidene]aniline. The 1,4-nucleophilic addition sodium methylmalonate these alkynylimines first examples substituted 2-pyridones, [methyl 1-(4-methoxyphenyl)-2-oxo-4-ferrocenyl 1,2-dihydropyridine-3-carboxylate methyl 1-(4-methoxyphenyl) 2-oxo-4-(η5-cyclopentadienyl)(η4-tetra-phenylcyclobutadiene)cobalt in good yields. Reaction ethylmalonate alkylimine stable 2-pyridone, ethyl which was also structurally characterized.
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