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Unformatted text preview: OH H 3 C Br H 3 C PBr 3 KOH EtOH major Br CH 3 H CH 3 or enant. 5. (3 pts) Propose a synthesis of the following ether from the indicated alcohols. O OH OH OH OH HBr or PBr 3 Br O Na or NaH O 6. (3 pts) Propose a reasonable stepwise mechanism the following transformation using curved arrows to show the movement of electrons. Show all formal charges and resonance structures. H 2 O OH cat. H 2 SO 4 heat OH H OSO 3 H OH 2 OSO 3 H H 2 O H OSO 3 H H OSO 3 H...
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