Interpretation:
The complete, detailed mechanism for the given reaction is to be drawn, and the major product of the reaction is to be predicted.
Concept introduction:
A carbene is a highly reactive species containing a carbon atom that has two bonds and a lone pair of electrons. Carbenes are electron-poor due to the lack of an octet and are
Answer to Problem 12.1P
The complete, detailed mechanism and the major product of the reaction are shown below:
Explanation of Solution
The given reaction is
In the first step of the reaction mechanism, the
Next, the reactive carbene adds to the double bond, simultaneously forming bonds with the two carbons of the initial double bond. The lone pair from the carbine forms a bond with one carbon, while the
Thus the complete mechanism can be drawn as follows:
Carbenes add to alkenes to form a cyclopropyl ring in place of the
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Chapter 12 Solutions
Organic Chemistry: Principles and Mechanisms (Second Edition)
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