PROB._SET__4 - the products of the reaction require more...

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CEM 251 Fall 2007 - Prof. Rathke 4th Sample Problem Set (Chapter 14) Suggested Problems from Textbook, Chapter 14: 1-6, 15, 20, 22, 24-26, 32, 33, 40, 41 1. For the reaction of the following olefins with HCl, draw the structure of the conjugated intermediate cation and the structure of the 1,2 and 1,4 product which are derived from this cation: 2,4-hexadiene A B C 2. Draw the structure of the 1,2 and the 1,4 addition products for reaction of Br 2 with the dienes of Problem 1. 3. HCl + diene X allylic carbocation 1,4 product 1,2 product a) Diene X reacts almost instantly with HCl at -78° C. At this temperature,
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Unformatted text preview: the products of the reaction require more than 2 days to reach a state of equilibrium. What will be the major product if the reaction is analyzed after 5 minutes at -78C? CEM 251 - Dr. Rathke, Fall 2007 4 th Sample Problem Set. ... page 2 b) The products of the same reaction reach a state of equilibrium rapidly at a temperature of 50C. What will be the major product if the reaction is analyzed after heating for one day at 50C? 4. Draw the structure of the Diels-Alder product: CH 2 CH 2 C N CH N C CH C CH 2 CH 3 O O O + b) a) + CH CH 2...
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PROB._SET__4 - the products of the reaction require more...

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