Chem239A, Exam#1 - CHEM 239A Summer, 2009 Prof. Sasaki EXAM...

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CHEM 239A Summer, 2009 EXAM #1 Name . Prof. Sasaki 150 points TOTAL Good Luck! Note: Only answers in the box will be graded. ______________________________________________________________________ 1. (35) (a) Draw a stepwise mechanism for the following reaction. Use curved arrows to indicate the movement of electrons. Clearly indicate chargers when they appear. O O O + H 2 O COOH COOH (b) Show how you would carry out the following multi-step synthesis. You may use any reagents that you wish. You don't need to show the mechanism. Just show necessary reagents and conditions. O O O O NH 2 O OCH 3
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CHEM 239A page 2 Name . 2. (40) Consider N-methylbutanamide and methyl butanoate. Electronegativities of N, O and Cl are 3.0, 3.5, and 3.0, respectively. (a) Draw the struture of N-methylbutanamide and methyl butanoate. N-methylbutanamide methyl butanoate (b) Which compound would be more reactive, N-methylbutanamide or methyl butanoate? (c) IR spectra of the two compounds show a strong band at 1,650 cm
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This note was uploaded on 01/19/2012 for the course CHEM 239 taught by Professor Sasaki during the Summer '06 term at University of Washington.

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Chem239A, Exam#1 - CHEM 239A Summer, 2009 Prof. Sasaki EXAM...

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