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KMID : 1059519860300020237
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Journal of the Korean Chemical Society
1986 Volume.30 No. 2 p.237 ~ p.242
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Synthesis of p-Phenylene Diacrylic Acid Derivatives by Palladium Catalyzed Vinylation of Aryl Halides. Selective Vinylation of 4-Bromoiodobenzene
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Kang Nam-Joo
Lee Jong-Tae
Kim Jin-Il
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Abstract
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E,E)-p-Phenylene diacrylic acid derivatives were prepared in moderate to good yields by the palladium catalyzed vinylation of 4-bromoiodobenzene or 4-diiodobenzene with 2 equiv of acrylic acid derivatives in the presence of triethylamine. 4-Diiodobenzene was more reactive than 4-bromoiodobenzene in the above reactions and the reactions were proceeded stereospecifically. (E,E)-p-Phenylene diacrylic acid derivatives and several other 1,4-diolefinic aromatic compounds were also synthesized by utilizing the selective vinylation of 4-bromoiodobenzene.
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