2OB3 - Summer 2006 - Tutorial 4

2OB3 - Summer 2006 - Tutorial 4 - 18 O + 3 3. Determine the...

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Summer 2006 P.M Zelisko Chemistry 2OB3 Tutorial 4 1. Complete the following equations. OH O OH O Cl O O O Cl O N O SOCl 2 PCl 3 + + (a) (b) (c) (d) 1
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O O H O H O O N O O O OH O O O O O O + 1. 2. H 3 O + NaOH/H 2 O + 1. 2. H 3 O + NaOH/H 2 O 2 equiv. 1 equiv. (e) (f (g) LiAlH 4 diethyl ether (h) NaBH 4 ethanol (i) LiAlH 4 diethyl ether 2
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2. In the following reaction scheme 18 O is found to be distributed between the two oxygen atoms of the acetate ion, but not in the pentanol molecule following the hydrolysis of pentyl acetate by H 2 18 O. Why? O 16 O 16 O 16 H O 18 O 18 2 H 2 18 O + 2 Na 2 Na + H 18 O - + H 2 + Na + H 18 O - H 2
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Unformatted text preview: 18 O + 3 3. Determine the major and minor products for the following reaction scheme and explain why the major product is obtained preferentially. NH CH 2 OH Cl O + 1 equiv. NaHCO 3 CH 2 Cl 2 major minor 4 4. Draw complete mechanisms illustrating all reagents and intermediates necessary for the following chemical transformations. CN OH O (a) acid catalysis 5 O O O (b) 6 O O OH O (c) base promoted 7 N O O O O (c) 8...
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This note was uploaded on 05/18/2011 for the course CHEM BIO 2a03 taught by Professor Gullon during the Winter '10 term at McMaster University.

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2OB3 - Summer 2006 - Tutorial 4 - 18 O + 3 3. Determine the...

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