Could someone help me with this ? ?

2021-04-06 8:50 pm

回答 (1)

2021-04-06 9:13 pm
✔ 最佳答案
A matches with IV.
(The ketone in the starting material converts to ketal in order to protect the carbonyl group.)

B matches with II.
(-Br group in A converts to -CN.)

C matches with III.
(The ketal in B hydrolyzes back to carbonyl group, and -CN group hydrolyzes to -COOH group.)


收錄日期: 2021-04-23 23:07:46
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