W06 final

W06 final - ORGANIC CHEMISTRY 30B (Prof. Yves Rubin) UCLA,...

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ORGANIC CHEMISTRY 30B (Prof. Yves Rubin) UCLA, WINTER 2006 FINAL EXAM On my honor, I have neither given nor received any aid on this exam ( Please, use ink for this first page! ): ____________________________ __________________________ Signature I. D. Number ____________________________ Full Name ( Please Print ! ) Question Points 1 (25) 2 (25) 3 (25) 4 (25) 5 (15) 6 (20) 7 (20) 8 (20) 9 (25) Total (200) =========
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Organic Chemistry 30B Winter 2006 FINAL EXAM, Page 1 __________________ Name 1. (25 points) a) (9 points) Give the number of expected signals ( ignore splittings) in the 1 H and 13 C NMR spectra of the following compounds: N N OH Cl CH 3 HO N 1 H NMR: ___________ ___________ ___________ 13 C NMR: ___________ ___________ ___________ b) (10 points) Name the following compounds by the IUPAC convention, unambiguously specifying any stereochemistry: CH 3 H 3 C OH O O c) (6 points) Explain the following ( in just a few words at most, or with a Scheme!) Define in the context of material seen this quarter: Why is the amide IR stretching frequency (1650 cm –1 ) lower than a typical ketone (1715 cm –1 ): Why is an aldehyde more stable than its hydrate? :
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Organic Chemistry 30B Winter 2006 FINAL EXAM, Page 2 __________________ Name 2. (25 points) Draw the major product for the following reactions (if there are several enantiomers or diastereomers formed, show only one,
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W06 final - ORGANIC CHEMISTRY 30B (Prof. Yves Rubin) UCLA,...

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