HT3-05.cwk - Hour Examination #3, Chemistry 301X - December...

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Hour Examination #3, Chemistry 301X - December 15, 2005, 7:30-10:00pm “Chemiftry is the art of decompounding bodies, that is, of refolving compound bodies into their more fimple parts, and by combining thefe together, to reproduce the original compound with all its properties, and even to compound new bodies, from the different mixtures of other bodies, and that by the help of fire.” Thomas Southwell, M.D. London, 1764. 1 ( 20 Points). There is an error in each of the following attempted syntheses. Tell us: First, what is the error - what would the product really be? Next, how would you fix the problem? How would you make the desired product? N 3 OH OH Br OCH 2 CH 3 OH OH Br Br 1. H 3 O + /H 2 O 2. Na + N 3 (a) (b) 1. H 3 O + /H 2 O (c) 1. CF 3 COOOH 2. KOH/H 2 O (d) 1. HBr 2. Na + – OCH 2 CH 3 (e) Br 2 /H 2 O +
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In your “fixes” you may use any inorganic reagent, TsCl, and any other organic reagent containing no more than two carbons. 2 (14 Points). In Group Problems and in the book you saw the following data:
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HT3-05.cwk - Hour Examination #3, Chemistry 301X - December...

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