Problem Set 2

Problem Set 2 - Br a. NaNH 2 b. CH 3 CH 2 I c. H 2 ,...

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Problem Set 2 CHEM 282 Page 1 Review - Delocalized Electrons – Dienes 1. Please give the product of the following sequences of reactions, and make sure that these Chem 281 alkenes reactions are understood: HBr H 2 SO 4 , H 2 O Br 2 , CH 2 Cl 2 mCPBA a. BH 3 , THF Br 2 , H 2 O b. H 2 O 2 , NaOH, H 2 O OR a. O 3 b. DMS 2. Please give the product of the following sequences of reactions, and make sure that these Chem 281 alkynes reactions are understood: H 2 , Pd/C Br 2 , CH 2 Cl 2 a. BH 3 , THF b. H 2 O 2 , NaOH, H 2 O OR H 2 , Lindlar cat. 3. Please give the product of the following sequences of reactions, and make sure that these Chem 281 alcohols reactions are understood:
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Problem Set 2 CHEM 282 Page 2 H 2 SO 4 , H 2 O OH OH OR H 2 SO 4 , H 2 CrO 4 H 2 O S N 1, S N 2, with HBr 4. Please give the product of the following sequences of reactions:
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Unformatted text preview: Br a. NaNH 2 b. CH 3 CH 2 I c. H 2 , Lindlar cat. a. Potassium tert-butoxide in diethyl ether b. m CPBA a. Cl 2 , H 2 O b. NaOCH 3 , DMSO a. Cl 2 , CH 2 Cl 2 b. NaOH, H 2 O 5. Draw two resonance contributors for the following compound: 6. Draw the important resonance contributing forms for the structure shown below. Problem Set 2 CHEM 282 Page 3 7. Provide the major organic product of the following reaction and show how it was obtained (draw the reaction mechanism). HBr 8. Which is a stronger base, cyclohexylamine or aniline? Explain your answer....
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This note was uploaded on 09/25/2011 for the course CHEM 282 taught by Professor Nabylmerbouh during the Spring '10 term at Simon Fraser.

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Problem Set 2 - Br a. NaNH 2 b. CH 3 CH 2 I c. H 2 ,...

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