sample exam 1A_page_18

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21. Propose structure that fits the following 'H NMR data: (4 points) a) C3HgO2 3 signals: (3H, triplet); (2H, quartet); (1H, singlet) b) C3;HgO 3 signals: (3H, triplet); (2H, quartet); (3H, singlet) 22. What diene and dienophile would you react to give the product below? (4 points) 23. Provide the…