Questions: Provide an IUPAC name for this compound.
3-tert-butyl-2,2-dimethylpentane
2-ethyl-3,3,4,4-tetramethylpentane
3-ethyl-2,2,4,4-tetramethylpentane
3-tert-butyl-4,4-dimethylpentane
Transcript text: Provide an IUPAC name for this compound.
3-tert-butyl-2,2-dimethylpentane
2-ethyl-3,3,4,4-tetramethylpentane
3-ethyl-2,2,4,4-tetramethylpentane
3-tert-butyl-4,4-dimethylpentane
Solution
△ Determine the IUPAC name for the given compound.
○ Identify the longest carbon chain
▷ Find the main chain with the most carbon atoms.
☼ The main chain is pentane, consisting of 5 carbon atoms.
○ Number the carbon atoms
▷ Assign numbers to carbon atoms to give substituents the lowest possible numbers.
☼ Numbering the chain from one end to the other ensures substituents have the lowest numbers.
○ Name substituents and their positions
▷ Identify and name all substituents and their positions on the main chain.
☼ The substituents are an ethyl group at C3 and two methyl groups each at C2 and C4.
○ Combine the information following IUPAC rules
▷ Construct the compound name using IUPAC naming conventions.
☼ The compound is named 3-ethyl-2,2,4,4-tetramethylpentane.
✧ The IUPAC name is 3-ethyl-2,2,4,4-tetramethylpentane.
☺ The answer is C. 3-ethyl-2,2,4,4-tetramethylpentane