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Outline a mechanism for Step 1 by using curly arrow. (1 mark) 'N' CI NH3 / H20 N' CI Step 1 N' NH2 2,3-dichloropyrazine Br

Outline a mechanism for Step 1 by using curly arrow. (1 mark)

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

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