New application of crown ethers. III. Synthesis of 4'-hydroxybenzocrown ethers and their bis(benzocrown ether)s linked by poly(oxyethylene) chain.
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概要
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Baeyer-Villiger oxidation of 4′-acetylbenzocrown ethers followed by alkaline hydrolysis was proved to be a convenient route to 4′-hydroxybenzo-15-crown-5 and -18-crown-6, which formed air-stable hydrated crystals containing three and one mole of water, respectively, on crystallization from the solvent containing a small amount of water. New bis(benzocrown ether)s, connected by poly(oxyethylene) chain, were obtained in good yields by the reaction of the sodium salts with the ditosylates of di-, tri-, tetra-, and pentaethylene glycol.
- 公益社団法人 日本化学会の論文
著者
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Wada Fumio
Department Of Endocrinology Faculty Of Medicine Kagawa Medical University
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MATSUDA Tsutomu
Department of Chemistry and Chemical Engineering, Faculty of Technology, Kanazawa University
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Kikukawa Kiyoshi
Department Of Biological And Environmental Chemistry Kinki University
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Arata Ryozo
Department of Organic Synthesis, Faculty of Engineering, Kyushu University
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Goto Tokio
Department of Organic Synthesis, Faculty of Engineering, Kyushu University
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