HW4_key - CH 318N Name: Spring 2008 UTEID: Homework #4 Due:...

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CH 318N Spring 2008 Name: UTEID: Homework #4 Due: Tuesday 02-26-08 Please follow the HW Guidelines as posted on Blackboard. 1. You are studying reaction of electrophile addition to a symmetrical alkene, Please write in the boxes all possible products, denoting optical configuration for each chiral center (R or S). The number of boxes might not correspond to the number of products. CH 2 H 2 C H H H 3 C CH 3 Br 2 S Cl Br Br Br Br R R S S Cl SPh SPh Cl SPh Cl Cl SPh S S S S R R R R Only two products Only two products same same
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2. You are studying reaction of electrophile addition to a not symmetrical alkene, Please write in the boxes all possible products, denoting optical configuration for each chiral center (R or S). The number of boxes might not correspond to the number of products. Also circle products that should be dominant in the mixture (expected to be dominant). CH 2 C H H H 3 C CH 3 Br 2 S Cl H 3 C CH 3 Br Br Br R R S S Only two products Cl SPh SPh Cl Cl SPh S S S S R R R R four products Bulky tert -Butyl group might affect the reaction lowering the yield of the two upper compounds but it should not be very dramatical.
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3. Pinacol is a product of the reductive coupling of acetone. Find an alternative way to
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This homework help was uploaded on 04/15/2008 for the course CH 318N taught by Professor Willson during the Spring '08 term at University of Texas at Austin.

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HW4_key - CH 318N Name: Spring 2008 UTEID: Homework #4 Due:...

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