What compound would provide the product shown in the following reaction? Which o

Question

What compound would provide the product shown in the following reaction?

Which of the sequences below would you expect to accomplish the following conversion?

21. What compound would provide the product shown in the following reaction? Br Br CH H3C CH3 H3C CH3 (a) HSC CH3 (b) HO CH CH H3C CH H3C CH3 H3C CH3 CH3 (d) Hac CH3 CH3 H3C CH3 CH3 H3C CH3 24. Which of the sequences below would you expect to accomplish the following conversion? O2N CH3 Br 1. Br2, FeBr3 (a) HNO3, H2SO4 (b) 2. Br FeBr 2. CHaCOCI, AICI 3. HNO3, H2SO4 3. CH3COCI, AICI3 1. CHaCOCI, AICI (d) Both (a) and (c). (c) 2. HNO3, H2SO. 3. Bra, FeBr

Explanation / Answer

21) option A is correct

Explanation: tertiary free radical is a more stable radical so bromination occurs at tertiary carbon atom.

24) option C is correct

Explanation; Friedel-Craft's acylation reaction does not occurs with benzene ring having an electron withdrawing group. so acyl group is located on benzene ring through Friedel-Craft's acylation reaction then followed by nitration and bromination produces the required product.

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