Macrocyclic formals. IV. Macrocyclic formals as complexing agents.

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概要

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• Eleven to twenty membered macrocyclic formals have been synthesized from the corresponding polyethylene glycols and paraformaldehyde. Their activating efficiency has been measured in nucleophilic substitution reactions with alkali metal ions as counter ions. These macrocyclic formals were not as good compiexing agents as crown ethers, but were much better than open chain polyethers which had the same number of oxygen atoms. In the reaction of butyl bromide with alkali metal acetate, 1,3,6,9,12,15-hexaoxacycloheptadecane was several times more effective than pentaethylene glycol dimethyl ether.

• 公益社団法人 日本化学会の論文

著者

• Yamashita Yuya

  Department Of Life System Institute Of Technology And Science The University Of Tokushima

• Sugiura Tomiya

  Department of Synthetic Chemistry, Faculty of Engineering, Nagoya University

• Kawakami Yuhsuke

  Department of Synthetic Chemistry, Faculty of Engineering, Nagoya University

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• Macrocyclic formals. IV. Macrocyclic formals as complexing agents.

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