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Unformatted text preview: necessary to provide complete curved arrow mechanisms for the reactions that you use. Use the back of the page if you need more space for your answers. (a) (8 points) Prepare from as the only source of C atoms in the target ( Hint : Count the number of C atoms in each structure carefully!!!) H O (b) (12 points) Prepare from ethylene and acetylene as the only sources of C atoms in the target OH H 2 /Lindlar cat. 1) O 3 2) (CH 3 ) 2 S O H Ethylene C C H H H H HBr CH 3 CH 2 Br (HCl or HI also OK) C C H H Acetylene 1) NaNH 2 2) CH 3 CH 2 Br H 2 /Lindlar cat. 1) BH 3 2) H 2 O 2 , NaOH, H 2 O OH...
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- Spring '08