The polarization of a carbonyl group can be represented by a pair of resonance structures: Cyclopropenone and
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Cyclopropenone and cycloheptatrienone are more stable than anticipated. Cyclopentadienone, however, is relatively unstable and rapidly undergoes a Diels-Alder dimerization. Explain.
Transcribed Image Text:
C-0: cyclopropenone cycloheptatrienone cyclopentadienone
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