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CBSE Class 12 · 2005 · Foreign · Aldehydes Ketones and Carboxylic AcidsVery Short Answer

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Give the IUPAC name of the compound shown in the figure ((CH₃)₂CH–CO–CH₂–CH(CH₃)₂ skeleton as printed).
Structure Structure to name
Structure to name

Answer: 2,5-Dimethylhexan-3-one (per the printed skeleton — isopropyl on each side of the carbonyl with one CH₂).

Solution

The chain is (CH)CH–CO–CH–CH(CH): hexan-3-one numbered to give C=O the lower locant, methyls at C-2 and C-5:

CBSE Class 12 Board · 2005 · Foreign · Subjective

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