Question

Question: Give the IUPAC name for each compound.

a.

b.

Short answer

Answer

a. 3-ethyl-3-methyl-1-hexyne.

b. 11-methyl-dodec-3,5-diyne

Step-by-step solution

Step-by-Step Solution Step 1: IUPAC Nomenclature

IUPAC stands for International Union of Pure and Applied Chemistry. It is a standard set of rules used to name organic compounds.

Naming the given compounds

a.

The given compound is expressed in skeletal formula:

Skeletal structure of compound a with the carbons numbered

Since the numbering has to start from the highest priority group, the triple bonded carbon is numbered as 1. Accordingly, the IUPAC nomenclature of the compound is 3-ethyl-3-methyl-1-hexyne.

b.

The given compound is expressed in skeletal formula:

Skeletal structure of compound b with the carbons numbered

The compound is a diyne. The IUPAC nomenclature of the compound is 11-methyl-dodec-3,5-diyne.