a) Outline a mechanism for Step 2. (5 marks) b) Account for the selectivity seen in the

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a) Outline a mechanism for Step 2. (5 marks)

b) Account for the selectivity seen in the electrophilic aromatic substitution reaction that has occurred in Step 3. Give a brief mechanistic justification of your answer. (5 marks)

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Organic Chemistry

ISBN: 978-0981519432

5th edition

Authors: Marc Loudon

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Posted Date: Nov 09, 2020 09:42 PM

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a) Outline a mechanism for Step 2. (5 marks) b) Account for the selectivity seen in the

Question:

.CI NH3 / H20 CI Step 1 N. NH2 2,3-dichloropyrazine Br Step 2 H heat in ethanol (solvent) CI Br2 / acetic acid (solvent) Step 3 E Br .CI NH3 / H20 CI Step 1 N. NH2 2,3-dichloropyrazine Br Step 2 H heat in ethanol (solvent) CI Br2 / acetic acid (solvent) Step 3 E Br

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Organic Chemistry

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