Question

Give the structure of the organic product expected when I2CH2 reacts with each of the following alkenes in the presence of a Zn-Cu couple: (a) (Z)-3-methyl-2-pentene (Use wedge-and-dash bonds to show stereochemistry of the (a) product. If more than one stereoisomer exists, only one needs to be drawn.) Zn / Cu CH2I2 (b) CH-CH3 (Ignore stereochemistry.) Zn / Cu CH2I2

          Give the structure of the organic product expected when I2CH2 reacts with each of the following alkenes in the presence of a Zn-Cu couple:
(a) (Z)-3-methyl-2-pentene
(Use wedge-and-dash bonds to show stereochemistry of the (a) product. If more than one stereoisomer exists, only one needs to be drawn.)
Zn / Cu
CH2I2
(b)
CH-CH3
(Ignore stereochemistry.)
Zn / Cu
CH2I2

Show more…

Give the structure of the organic product expected when I2CH2 reacts with each of the following alkenes in the presence of a Zn-Cu couple:
(a) (Z)-3-methyl-2-pentene
(Use wedge-and-dash bonds to show stereochemistry of the (a) product. If more than one stereoisomer exists, only one needs to be drawn.)
Zn / Cu
CH2I2
(b)
CH-CH3
(Ignore stereochemistry.)
Zn / Cu
CH2I2

Added by Andre B.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Madhur L

12/09/2022

Step 1

The iodomethyl group (I2CH2) adds across the double bond of the alkene to form the cyclopropane ring. The product is a cyclopropane derivative where the cyclopropane ring is between the second and third carbons of the original alkene. The methyl group on the third Show more…

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Give the structure of the organic product expected when I2CH2 reacts with each of the following alkenes in the presence of a Zn-Cu couple: (a) (Z)-3-methyl-2-pentene (Use wedge-and-dash bonds to show stereochemistry of the (a) product. If more than one stereoisomer exists, only one needs to be drawn.) (b) (Ignore stereochemistry.)

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