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Reaction Mechanisms with resonance structures

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1.
Draw an arrow pushing mechanism for the reaction shown below. Be sure to show all lone pairs of electrons, all formal charges, all intermediates, and all important resonance structures

2. Provide reasonable synthetic sequences for the preparation of each of the following compounds from the indicated starting materials and any other necessary reagents.

See the attachment for structural diagrams.

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Solution Summary

The acid-catalyzed mechanism of conversion of esters to carboxylic acid is illustrated with an example. The synthesis of an amide from an alkyne is also given.

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