Assignment_6_2008 - CHM 1321 Assignment #6 In this...

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CHM 1321 Assignment #6 In this assignment: - Nucleophilic addition to carbonyls - Elimination reactions (E1, E2) 1) Give the products of the following reactions and give mechanisms to show how they are formed: a) b) c) d) e) f) g) H 3 CO H O 1) NaBH 4 2) H 3 O + O 1) NaBH 4 2) H 3 O + O 1) NaBH 4 2) H 3 O + O 1) NaBH 4 2) H 3 O + O 1) PhMgBr 2) H 3 O + O 1) MeMgBr 2) H 3 O + O 1) MeMgBr 2) H 3 O +
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Assignment #6 2 2) Predict the major products of the following reactions. a) b) c) d) e) Br Mg Et 2 O Cl Mg Et 2 O AB CH 3 OH Br Mg Et 2 O O Br Mg Et 2 O O Cl Mg Et 2 O O f) Br Mg Et 2 O O
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Assignment #6 3 3) The following reactions would not work as shown. Explain why (look for a more favorable reaction that would occur instead). a) 1) Mg 2) 3) H 3 O + H O OH b) Br O 1) Mg 2) 3) H 3 O + H O O OH c) O 1) CH 3 CH 2 MgBr 2) H 3 O + OH OH Br HO OH OH 4) Give all the different carbonyl starting materials and the Grignard reagent or reducing reagent that could be used to form each of the following compounds. OH OH OH a) b) c)
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Assignment #6 4 5) Name the following compounds a) b) c) d) e) f) g)
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Assignment #6 5 6) Predict the products of E1 elimination for the following compounds. Predict the relative amounts of each product.
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This note was uploaded on 01/25/2011 for the course CHM 1321 taught by Professor Flynn during the Spring '08 term at University of Ottawa.

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Assignment_6_2008 - CHM 1321 Assignment #6 In this...

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