Question 23.3: What is the IUPAC name of the following alkane? CH2CH3 CH3 |......
What is the IUPAC name of the following alkane?
\quad\ \ CH_{2}CH_{3} \quad\quad \quad\quad CH_{3} \\ \quad \quad |\ \ \quad\quad\quad\quad \quad\quad\quad|\\ CH_{3}CHCH_{2}CH_{2}CH_{2}CHCH_{3}STRATEGY
Follow the steps outlined in the text: First, identify and number the longest continuous chain. Then identify the substituents and write the name.
Step-by-Step
The molecule has a chain of eight carbons (octane) with two methyl substituents. Numbering from the end nearer the first methyl substituent indicates that the methyls are at C_{2} \text{and} C_{6} , giving the name 2,6-dimethyloctane. The numbers are separated by a comma and are set off from the rest of the name by a hyphen.
\quad\ \ \ \overset{7}{C}H_{2}\overset{8}{C}H_{3} \quad \quad\quad CH_{3} \\ \quad\ \quad| \quad\quad\quad\quad \quad\quad\quad| \quad\quad\quad\quad\quad\quad \text{2,6-Dimethyloctane}\\ CH_{3}\underset{6}{C}H\underset{5}{C}H_{2}\underset{4}{C}H_{2}\underset{3}{C}H_{2}\underset{2}{C}H\underset{1}{C}H_{3}
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