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Write an equation for the carboncarbon bond-forming step in the cyclization reaction just cited. Show clearly the structure of the enolate ion, and use curved

Write an equation for the carbon–carbon bond-forming step in the cyclization reaction just cited. Show clearly the structure of the enolate ion, and use curved arrows to represent its nucleophilic addition to the appropriate carbonyl group. Write a second equation showing dissociation of the tetrahedral intermediate formed in the carbon–carbon bond-forming step.

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