Nomenclature of alkane
2. Substituent Naming
- Identify Longest Chain
- Assign Substituents and their Numbers:
Substituent Name Structural Formula Methyl -CH₃ Ethyl -C₂H₅ Propyl -C₃H₇ Isopropyl -CH(CH₃)₂ Butyl -C₄H₉ Isobutyl -CH₂CH(CH₃)₂ Sec-butyl -CH(CH₃)C₂H₅ Tert-butyl -C(CH₃)₃ Pentyl (Amyl) -C₅H₁₁ Neopentyl -CH₂C(CH₃)₃ Hexyl -C₆H₁₃ Heptyl -C₇H₁₅ Octyl -C₈H₁₇ Nonyl -C₉H₁₉ Decyl -C₁₀H₂₁ - Combine Names: The is "methyl", and the base name is "Number-substituentlongest carbon chain".