The IR spectrum of the product of the following reaction is shown below. Propose a structure for this compound, paying particular attention to its stereochemistry. 100 - 80- CH;ONa 60 - ? DMF, A 40- Br 20- 4500 4000 3500 3000 2500 2000 1500 1000 500 Wavenumbers (cm-1) % Transmittance

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