Common Names of Ethers ·Alkyl alkyl ether Current rule:alphabetical order Old rule:order of increasing complexity 。 Symmetrical:use dialkyl,or just alkyl. ·Examples: CH3 CH3一O-C-CH3 CH3CH2-O-CH2CH3 CH3 diethyl ether or t-butyl methyl ether or ethyl ether Chapter 14 methyl t-butyl ether a =Chapter 14 8 Common Names of Ethers • Alkyl alkyl ether • Current rule: alphabetical order • Old rule: order of increasing complexity • Symmetrical: use dialkyl, or just alkyl. • Examples: CH3 CH2 O CH2 CH3 diethyl ether or ethyl ether CH3 O C CH3 CH3 CH3 t-butyl methyl ether or methyl t-butyl ether =>