47.下列有關 thiazide 利尿劑基本結構(如下圖)之描述,何者錯誤?

答案:B
統計:A:132,B:541,C:286,D:401,E:0
難度:困難
【菜餅】評論
Thiazide 類利尿劑(Benzot...
【terminator812】評論
找到SAR的圖給大家參考 ☆☆. ...
【いかりんぐ=LOVE最高】評論
(A) 第 6 位取代基通常為拉電★★★...
【IG:Pharmabook】評論
8th Foey + SAR 考點統整(B)選項要改成2號N上的H才是酸性最強的基團,因為靠近強拉電子基sulfone甚至比C7導入Sulfonamide更酸The hydrogen atom at the 2-N is the most acidic because of the electron-withdrawing effects of the neighboring sulfone groupThe sulfonamide group that is substituted at C-7 provides an additional point of acidity in the molecule but is less acidic than the 2-N proton(A)第 6 位取代基通常為拉電子基團(CF3、Cl),也是利尿活性的必要基團,若被H或推電子基(CH3/OCH3)取代,則利尿活性下降An electron-withdrawing group is necessary at position 6 for diuretic activity. Little diuretic activity...