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a. Propose a mechanism for the following reaction: b. A
Chapter 11, Problem 75P(choose chapter or problem)
a. Propose a mechanism for the following reaction:
b. A small amount of a product containing a six-membered ring is also formed. Draw the structure of that product.
c. Why is so little six-membered ring product formed?
Questions & Answers
QUESTION:
a. Propose a mechanism for the following reaction:
b. A small amount of a product containing a six-membered ring is also formed. Draw the structure of that product.
c. Why is so little six-membered ring product formed?
ANSWER:
Solution 75P
(a)
Under the basic conditions the ring opening takes place at less hindered carbon.
The provide reaction is as follows:
The mechanism of the reaction is as follows:
Methoxide ion is a base so it attacks on the sterically less hindered carbon of the epoxide and form an alcoxide ion.