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

答案:登入後查看
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

6a5de97236955.jpg

藜蘆類

(Steroidal)

Protoveratrine A

Protoverine

Acetic acid + Methylbutyric acid

+ Methylhydroxybutyric acid

1 OH

Protoveratrine B

Acetic acid + Methylbutyric acid

+Methyldihydroxybutyric acid

2 OH (Di-hydroxy)

1
0