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Draw the major product formed when the following epoxide reacts with aqueous acid. Draw the major product formed whe...

Draw the major product formed when the following epoxide reacts with aqueous acid.

Draw the major product formed when the following e

Draw the major product formed when the following epoxide reacts with aqueous acid.
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Answer #1
Concepts and reason

Epoxides are cyclic ethers with three membered rings. An epoxide tends to be more reactive due to the presence of a ring strain in three membered rings. Epoxide ring opening takes place in the presence of acidic or basic conditions.

Fundamentals

The basic structure of an epoxide contains an oxygen atom bonded to the two adjacent carbons of hydrocarbon chain.

Epoxide ring

Ring opening of epoxide: Epoxide rings open under acidic conditions as well as basic conditions.

Example:

H5C
І
Но я
Н.С.
.
H5C
ОН

NaOCHZ
CH3OH
OCH3

10
CHz
CH3

لول
I-01
- CH₂
- CH3
-
III

Notice that, structure-I is more stable due to the presence of tertiary carbocation.

Hence the nucleophile (water) attacks regioselective atom and generates anti-diols.

OH
CH3
CH₃
-CH3
CH3
OH

Ans:

The major product formed when the following epoxide reacts with an aqueous acid is given below:

OH
À-
-CH3

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