Common Alkyl Groups Parent alkane Parent structure Alkyl group structure Alkyl group name methane CHa --CH3 methyl ethane CH3CH3 --CH2CH3 ethyl propane CH3CH2CH3 --CH2CH2CH3 propyl CH3CHCH3 isopropyl n-butane CH3CH2CH2CH3 --CH2CH2CH2CH3 butyl CH3CHCH2CH3 sec-butyl isobutene CH3 CH3 Isobutyl CH3CHCH3 --CH2CHCH3 CH3 CH3CCH3 t-butyl 2013 Pearson Education,Inc.© 2013 Pearson Education, Inc. Common Alkyl Groups Parent alkane Parent structure Alkyl group structure Alkyl group name methane CH4 --CH3 methyl ethane CH3CH3 --CH2CH3 ethyl propane CH3CH2CH3 --CH2CH2CH3 | CH3CHCH3 propyl isopropyl n-butane CH3CH2CH2CH3 --CH2CH2CH2CH3 | CH3CHCH2CH3 butyl sec-butyl isobutene CH3 | CH3CHCH3 CH3 | --CH2CHCH3 CH3 | CH3CCH3 | Isobutyl t-butyl