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Chem308,sum09,quiz 1,V1

Chem308,sum09,quiz 1,V1 - Draw the most important...

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NAME______________________________ ID__________________________ Chem 308, Summer 2009 Quiz 1 Section V1 1. (3 pts.) Draw the structures of the two major products of the reaction below. Ignore stereochemistry. 2. (3 pts.) Draw a p-orbital representation (use shading or +/– to indicate orbital phase) of the highest-energy occupied molecular orbital (HOMO) of 1,3,5-hexatriene. The bonding orbital of an allyl system is shown as an example of the style you should use. 3. (3 pts.)
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Unformatted text preview: Draw the most important additional resonance structures of the carbocation shown below. Number each structure according to its relative importance (1 = most important, 3 = least important). 4. (3 pts.) Write a detailed mechanism for the reaction shown below, showing all intermediate structures. Use curved arrows to indicate all electron movement, and indicate all formal charges clearly. ANSWER: (HOMO of 1,3,5-hexatriene) Example Cl CH 3 OH OCH 3 CH 2 NBS, h ν ?...
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