POW-310-5-Key - 2 O O OH Ph Ph OH A OCH 2 CH 2 CH 3 O CH 3...

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Last Name: UTEID: First Name: SCORE: KEY Deadline for POW 310-5: Feb. 23, 2009 3:00 PM Multi-step synthesis: Provide products for the following sequence of reactions. Draw each product in the box provided and indicate stereochemistry, if any is involved . (Hint: ref er to Rxn Summary handout) Br 2 h Br tBuCO - K + tBuCOH (solvent) RCO 3 H CH 2 Cl 2 (solvent) 1) PhMgBr 2) HCl/H
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Unformatted text preview: 2 O O OH Ph Ph OH + A) OCH 2 CH 2 CH 3 O CH 3 O (EtO) 2 P OCH 2 CH 2 CH 3 O H O MUST be the E isomer B) H 3 C O CH 3 C OCH 3 O Ph 3 P H 3 C CH 3 C OCH 3 O Ph 3 P OR Provide the Wittig (or a related reagent, e.g. Horner Emmons) for the following conversions (2 pt ea.) : C) Ph 3 P CH 2 OR O CH 2 Ph 3 P CH 2...
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