…Ethers where R = R' are called symmetric ethers (single ethers), and those where R ≠ R' are called asymmetric ethers (mixed ethers). Also, ethers in which the ether bond is part of a ring are called cyclic ethers. Among cyclic ethers, three-membered ring ethers (those with three atoms in the ring) that have a large strain are called epoxides, and have unique properties compared to other ethers. … *Some of the terminology explanations that mention "cyclic ether" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…R=R′のものを対称エーテル(単一エーテル),R≠R′のものを非対称エーテル(混成エーテル)とよぶ。また,エーテル結合が環の一部となっているものを環状エーテルという。環状エーテルのうち,ひずみの大きな3員環エーテル(環を構成する原子数が3個のもの)はとくにエポキシドとよばれ,他のエーテルとくらべて特異な性質をもっている。… ※「環状エーテル」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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