When Br2 is added to buta-1,3-diene at -15 °C, the product mixture contains 60% ofproduct A and 40% of product B. When the same reaction takes place at 60 °C, theproduct ratio is 10% A and 90% B.(a) Propose structures for products A and B. (Hint: In many cases, an allylic carbocationis more stable than a bromonium ion.)
When Br2 is added to buta-1,3-diene at -15 °C, the product mixture contains 60% ofproduct A and 40% of product B. When the same reaction takes place at 60 °C, theproduct ratio is 10% A and 90% B.(a) Propose structures for products A and B. (Hint: In many cases, an allylic carbocationis more stable than a bromonium ion.)
Chapter10: Organohalides
Section10.SE: Something Extra
Problem 38AP
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When Br2 is added to buta-1,3-diene at -15 °C, the product mixture contains 60% of
product A and 40% of product B. When the same reaction takes place at 60 °C, the
product ratio is 10% A and 90% B.
(a) Propose structures for products A and B. (Hint: In many cases, an allylic carbocation
is more stable than a bromonium ion.)
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