These ethers could also have been named as “alkoxyalkanes.”Thus, sec-butyl methyl etherwould become 2-methoxybutane.16.21Isofurane and enfurane are both halogenated derivatives of ethyl methyl ether.Isofurane:Enfurane:16.22(a)The parent compound is cyclopropane. It has a three-membered epoxide function, and thusa reasonable name is epoxycyclopropane. Numbers locating positions of attachment (as in“1,2-epoxycyclopropane”) are not necessary, because no other structures (1,3 or 2,3) are pos-sible here.(b)The longest continuous carbon chain has seven carbons, and so the compound is named as aderivative of heptane. The epoxy function bridges C-2 and C-4. Therefore
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