"Construct a multistep synthetic route from ethylbenzene to (2-bromoethyl)benzene by dragging the appropriate items into the bins. Note that each bin will hold only one item, and not all reagents and structures will be used."

Question

28-02-2020
Chemistry

contestada

"Construct a multistep synthetic route from ethylbenzene to (2-bromoethyl)benzene by dragging the appropriate items into the bins. Note that each bin will hold only one item, and not all reagents and structures will be used."

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shadrachadamu shadrachadamu · Answer 1 · 2020-02-29T01:55:38+01:00

Answer:

The best reagents that are used for the conversion of ethylbenzene to (2-bromoethyl)benzene is shown in the first diagram attached.

Explanation:

Concepts and reason

The concept used to solve this problem is by using the given reagents, possible products will be formed in each step and then label it exactly in the given boxes in order to form the exact product.

Here, the starting reactant is ethyl benzene and the final product is (2-bromoethyl)benzene.

Fundamentals

Bromine molecule is used for bromination of alkene. Trans addition takes place.

Addition of HBr to the double bond forms an alkyl bromide.

Potassium tertiary butoxide is a sterically hindered base.

Bromination of alkane in the presence of sunlight gives radical substitution.

NBS (N-bromosuccinimide) is used for the allylic bromination.

The reaction is as shown in the second attachment(pictures 2,3 and 4).