Quiz 7 Answer key S2011

Quiz 7 Answer key S2011 - (5 points 1 N O N N N O O N NH HN...

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Chem 41c Quiz 7 Stoltz, Spring 2011 May 27, 2011 Due June 1, 2011 9:00 AM You have 60 minutes to take this quiz. It is closed note, closed book, and no collaboration is allowed. Please do not discuss the quiz with anyone until you receive it back graded. Place a box around your answers. There is no partial credit. The quiz is worth 25 out of 20 points. Name______________________________________
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Chem 41c Quiz 7 Quiz Grade_________ Stoltz, Spring 2011 May 27, 2011 Due June 1, 2011 9:00 AM You have 60 minutes to take this quiz. It is closed note, closed book, and no collaboration is allowed. Please do not discuss the quiz with anyone until you receive it back graded. Place a box around your answers. There is no partial credit. The quiz is worth 25 out of 20 points. Circle the compounds containing aromatic heterocycles.
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Unformatted text preview: (5 points) 1. N O N N N O O N NH HN O N N H N N N O N N N O O N NH HN O N N H N N 2. Provide two distinct retrosyntheses for the following compound each going back to starting materials of 8 carbons or less. (10 points-partial credit will be given) O O Some possibilities: O O OH OH O 1,5 dioxygenated species O OR O O OR O O O 3. Propose a forward synthesis of the following compound starting from organic materials of 7 carbons or less. You may use the tools of retrosynthetic analysis if you choose, but you will be graded on the actual synthesis. (10 points-partial credit will be given) N NO 2 Possible route: N O 1. LDA 2. Br O oxidative cleavage (O3, DMS or OsO4, NaIO4) O O NH 2 H + N NO 2 HNO 3...
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Quiz 7 Answer key S2011 - (5 points 1 N O N N N O O N NH HN...

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