61.下列何者非 protoveratrine A(結構如下圖)之水解產物?
(A)acetic acid
(B)2-methylbutyric acid
(C)2-hydroxy-2-methylbutyric acid
(D)butyric acid
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統計: A(11), B(7), C(10), D(35), E(0) #3973500
統計: A(11), B(7), C(10), D(35), E(0) #3973500
詳解 (共 1 筆)
#7449603
注意到,結構上酯基不具有D描述的那個基團,因此選D
這在考有機吧

|
藜蘆類 (Steroidal) |
Protoveratrine A |
Protoverine |
Acetic acid + Methylbutyric acid + Methyl★hydroxybutyric acid |
1個 OH |
|
Protoveratrine B |
Acetic acid + Methylbutyric acid +Methyl★dihydroxybutyric acid |
2個 OH (Di-hydroxy)。 |
1
0