Diazoniom ion help please?
回答 (1)
2020-05-16 11:14 pm
✔ 最佳答案
Yes, the answer is II.In step 1, diazonium ion 4-Br-Ph-N₂⁺ is formed.
In step 2, diazo coupling occurs. Phenol group is 2,4 directing. As position-4 of 4-methylphenol is occupied by methyl group, the coupling of the phenol occurs at position-2. The mechanism of step 2 is shown below.
收錄日期: 2021-04-18 18:30:25
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