Action Center 20 Alkynes 1

Action Center 20 - Include the stereochemistry is applicable 1 Na NH 3 2 Br 2 CCl 4 1 O 3 –78˚C 2 H 2 O 1 Br 2 CCl 4 2 NaNH 2(excess 3 H 2

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Action Center Practice Problems – Alkynes 1 (Klein: Chapter 10) Sections Covered: 10.1-10.11 1. Provide the IUPAC name for the following molecules. Include the geometric and asymmetric designation ( cis - trans , E - Z ). 2. Provide the complete, stepwise mechanism for the following transformations. 1. NaNH 2 2. CH 3 CH 2 Br O H 2 O H 2 SO 4 3. Provide the most likely product(s) for the following reaction sequences.
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Unformatted text preview: Include the stereochemistry is applicable. 1. Na, NH 3 2. Br 2 , CCl 4 1. O 3 , –78˚C 2. H 2 O 1. Br 2 , CCl 4 2. NaNH 2 (excess) 3. H 2 , Lindlar's Catalyst 1. Br 2 , CCl 4 2. NaNH 2 (excess) 3. H 2 O 4. Disiamylborane 5. H 2 O 2 , NaOH 1, NaNH 2 2. CH 3 CH 2 CH 2 I 3. H 2 SO 4 , H 2 O, HgSO 4 1. Br 2 (1 eq), CCl 4 2. H 2 , Pd/C...
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This note was uploaded on 09/26/2011 for the course CHEM 3053 taught by Professor Any during the Fall '08 term at The University of Oklahoma.

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