IIT JEE Advanced 2009 Paper 1

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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.

Section: Chemistry
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Question : 38 of 60
 
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The structure of the product S is
[JEE Adv 2009 P1]
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