Propose mechanisms for the formation of ion fragments m/z 97, 83, 69 and 55 in the mass spectrum of (CH3)2CCHC(O)C(CH3)2CHCH2 and explain in detail why this compound cannot undergo McLafferty rearrangement.

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter14: Mass Spectrometry
Section: Chapter Questions
Problem 14.37P
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Propose mechanisms for the formation of ion fragments m/z 97, 83, 69 and 55 in the mass spectrum of (CH3)2CCHC(O)C(CH3)2CHCH2 and explain in detail why this compound cannot undergo McLafferty rearrangement.

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