W03 problems3b

W03 problems3b - 2 BH OH O Br Br Br Br O Br Br SCH 3 O O OH...

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H Problem Set 3 (Chapter 10 Alkynes II/ Organic Synthesis) TA: Danny Ng 1/27/2003 2. Provide the r e a g e n t s or p r o d u c t s for the following reactions. Pay attention to stereochemistry if applicable. 1. Sia 2 BH 2. H 2 O 2 , NaOH 3. K 2 Cr 2 O 7 , H 2 SO 4 O H O 1. BH 3 2. CH 3 COOH 1. BH 3 2. H 2 O 2 , NaOH 1. LDA 2. 1-bromopentane 3. BH 3 4. CH 3 COOD 1. Draw the structure for Di- sec -isoamylborane (sia)
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Unformatted text preview: 2 BH OH O Br Br Br Br O Br Br SCH 3 O O OH OH TA: Danny Ng 1/27/2003 O r g a n i c S y n t h e s i s Propose a synthesis for each of the following compounds using reagents with 4 c a r b o n s or less. Propose a synthesis to accomplish the following transformation (racemic)...
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W03 problems3b - 2 BH OH O Br Br Br Br O Br Br SCH 3 O O OH...

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