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Which of the Following Represents the Correct Iupac Name for the Compounds Concerned? 2,4,7-trimethyloctane Or 2,5,7-trimethyloctane - Chemistry

Which of the following represents the correct IUPAC name for the compounds concerned?

 2,4,7-Trimethyloctane or 2,5,7-Trimethyloctane

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Solution 1

Locant number 2, 4, 7 is lower than 2, 5, 7. Hence, the IUPAC name of the given compound is 2, 4, 7–trimethyloctane.

Solution 2

2, 4, 7-Trimethyloctane. For two alkyl groups on the same carbon its locant is repeated twice, 2, 4, 7-locant set is lower than 2, 5, 7.

Concept: Nomenclature of Organic Compounds - The IUPAC System of Nomenclature
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NCERT Class 11 Chemistry Textbook
Chapter 12 Organic Chemistry - Some Basic Principles and Techniques
Q 5.2 | Page 361
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