Draw the two possible products formed when 1,3- butadiene reacts with this acid. Do not include any byproducts formed. HBr (1 equiv)

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Draw the 1,2 and the 1,4 product 

Draw the two possible products formed when 1,3-
butadiene reacts with this acid. Do not include any
byproducts formed.
HBr (1 equiv)
Draw the 1,2 Product
+
Transcribed Image Text:Draw the two possible products formed when 1,3- butadiene reacts with this acid. Do not include any byproducts formed. HBr (1 equiv) Draw the 1,2 Product +
Expert Solution
Step 1

HBr attacks 1,3-butadiene to from a carbocation that is stabilized by two resonance forms. 

The more stable carbocation forms a 1,2-addition product where H and Br are added to 1st and 2nd carbon atoms. 

The less stable carbocation forms a 1,4-addition product where H and Br are added to the 1st and 4th carbon atoms. 

 

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