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Unformatted text preview: 6. Show how you would accomplish the following syntheses efficiently and in good yield using any necessary reagents. a) CH 3 CH(OH)COOH from acetaldehyde b) O OH from O O H c) O O H from OH OH d) OH O H from O O H e) O from O 7. Draw structures of the following: a) the 2,4-dinitrophenylhydrazone derivative of benzaldehyde b) acetaldehyde dimethyl acetal c) the (E) isomer of the ethyl imine of propiophenone d) the methyl hemiacetal of formaldehyde 8. Predict the product(s) formed when cyclohexanone reacts with the following reagents: a) methylamine, H + b) hydrazine, then hot KOH c) ethylene glycol and p-toluenesulfonic acid d) sodium acetylide, then mild acid e) excess methanol, H + f) Tollens reagent 9. A volatile liquid with molecular formula C 4 H 6 O has the following NMR and IR. Deduce the structure. 1 3 2...
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- Fall '08