Atrazine: spot the regiochemistry flaw

Single question

Two-step SNAr route to atrazine: cyanuric chloride plus ethylamine, then plus isopropylamine. Reagents and reaction class are right. Check where the second amine lands on the triazine ring.

Sequential SNAr on cyanuric chloride

Temperature staging for 1,3,5-triazines

Regiochemistry of the second and third Cl displacement

Find the flaw

Click the step that contains the flaw, or pick “No flaw” if you think every step is correct.

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