Although high-level computations predict that the reaction of tropone with any of several conjugated dienes should produce two cycloadducts via the same transition structure, until recently we had seen exclusive formation of the [6+4] adduct. We present here a summary of our results of the reaction of tropone with simple dienes, and all currently available evidence of the formation of the elusive [8+2] adduct. 

Reaction of tropone with dienes: [6+4] vs. [8+2] cycloaddition

244th National Meeting (2012)

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