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questions9_fa10_ans

questions9_fa10_ans - the same Br Br 3 Draw the...

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Chemistry 030-205-01 November 11, 2010 Problem Set 9 1. Provide the synthetic steps for the following “road map” problems (all require more than 1 step): Br NBS hv NaOEt (base) O 3 Zn/H + H H O O (+ ) H H O O (or Br 2 followed by base) NaNH 2 /NH 3 followed by EtBr Lindlar's H 2 Br 2 /H 2 O Br OH HC CH NaNH 2 /NH 3 followed by CH 3 I repeat O 3 OH O
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2. Draw the product(s) of the following allylic bromination reaction? NBS CCl 4 /h NBS CCl 4 /h Br both products are
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Unformatted text preview: the same Br Br + 3. Draw the mechanism (use mechanistic arrows) for the following transformation: OH SOCl 2 pyridine Cl + SO 2 + Cl-OH S O Cl Cl O H S Cl O Cl N O S Cl O Cl O S Cl O Cl-Cl SO 2 + Cl-4. Draw the mechanism for the following transformation: heat C O MeO COOMe H + endo provides more orbital interactions (preferred product...
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questions9_fa10_ans - the same Br Br 3 Draw the...

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