Question

Benzene can be converted to 1,3,5-tribromobenzene in five reaction steps and four intermediate compounds. Select the appropriate reagent from the drop-down list for each step in this overall synthesis.

Benzene can be converted to 1,3,5-tribromobenzene in five reaction steps and four intermediate compounds. Select the appropriate reagent from the drop-down list for each step in this overall synthesis.Step 1=? Step 2=? Step 3=? Step 4=? Step 5=? Options for each step: Br2, R2O2 CH3Cl, AlCl3 CH3COCl, AlCl3 NaNO2, HCl HNO3, H2SO4 H3PO2 H3PO4 KMnO4 1) Sn, HCl; 2)OH- Br2

Step 1=?

Step 2=?

Step 3=?

Step 4=?

Step 5=?

Options for each step:

Br2, R2O2

CH3Cl, AlCl3

CH3COCl, AlCl3

NaNO2, HCl

HNO3, H2SO4

H3PO2

H3PO4

KMnO4

1) Sn, HCl; 2)OH-

Br2

Answer 1

Concepts and reason

The concept is to synthesize 1,3,5-tribromobenzene from benzene by using the list of reagents provided.

Fundamentals

Given benzene can be converted to 1,3,5-tribromobenzene by using the following steps.

1.Nitration of benzene

2.Reduction

3.Bromination

4.Diazotization

5.Reaction of diazonium salt

The reaction is,

The reaction is,

The reaction is,

The reaction is,

The reaction is,

Ans:

Thus, the correct choice of reagents is,