59.Theophylline 之基本化學結構如下圖,其取代基為:
(A)R1=CH3, R2=R3=H
(B)R1=R2=R3=CH3
(C)R1=R2=CH3, R3=H
(D)R1=H, R2=R3=CH3
答案:登入後查看
統計: A(110), B(150), C(1108), D(256), E(0) #3818774
統計: A(110), B(150), C(1108), D(256), E(0) #3818774
詳解 (共 7 筆)
#7417880
Theophylline:1,3-dimethylxanthine
Theobromine:3,7-dimethylxanthine
Caffeine:1,3,7-trimethylxanthine
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#7294963
要先記住咖啡因是1, 3, 7
茶鹼(Theophylline)是1, 3
可可鹼(Theobromine)是3, 7
附上兩張圖幫助記憶,若有侵權會刪除謝謝??


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#7441609
Caffeine咖啡因:1,3,7-Trimethylxanthine
Theophylline茶鹼:1,3-Dimethylxanthine【一生(13)粗茶淡飯】
Theobromine可可鹼:3,7-Dimethylxanthine【生氣(37)吃巧克力】

From:阿摩前輩(忘了在哪題看到的 違刪)
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