Aldehydes And Ketones Result Question 49
Passage
A carbonyl compound $P$, which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin $Q$. Ozonolysis of $Q$ leads to a dicarbonyl compound $R$, which undergoes intramolecular aldol reaction to give predominantly $S$.
(2009)
49. The structure of the product S, is

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Answer:
Correct Answer: 49. ( b )
Solution: