61.Tryptophan不是下列何種生物鹼生合成之前驅物?
(A)ergometrine
(B)quinine
(C)emetine
(D)physostigmine
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統計: A(771), B(1707), C(4543), D(1274), E(0) #2180185
統計: A(771), B(1707), C(4543), D(1274), E(0) #2180185
詳解 (共 9 筆)
#4157268
|
Tyrosine |
Morphine(*2), Tubocurarine(*4), Papaverine, Colchicine(*1+Phe), Epinephrine |
|
Tryptophan |
Quinine, Reserpine, Lysergic acid, Nicotinic acid, Physostigmine |
|
Phenylalanine |
Ephedrine, Mescaline |
|
Lycine |
Pelletierine, Lupinine, Sparteine, Anabasin |
42
2
#3789584
Tryptophan找關鍵結構

Ergometrine

Quinine

quinine比較特別,生合成要多畫一筆(紅色)
紫色部分為tryptophan,綠色部分為secologanin

Physostigmine

所以此題A B D生合成來源都是Tryptophan
再看看C選項,就沒有關鍵結構了

28
2
#4381757
Tryptophan:quinoline,indole
Tyrosine:lsoquinoline,alkaloidal amine
18
2
#5882123
Trp上有indole,
是indole、Quinoline類生物鹼的前驅物
是indole、Quinoline類生物鹼的前驅物
6
0