多取代的英文

polysubstitution

• 多:    many; much; more
• 取代:    displace; replace; ...
• 多取代作用:    polysubstitution

例句与用法

1. Nucleophilic aromatic substitution . strategies in the synthesis of multisubstituted benzene derivatives
   亲核性芳香取代。多取代苯衍生物合成的策略。
2. Directing effects in electophilic aromatic substitution . nucleophilic aromatic substitution . strategies in the synthesis of multisubstituted benzene derivatives
   31亲电性芳香取代的定位效应。亲核性芳香取代反应。合成多取代苯衍生物的策略。
3. Several polysubstituted biphenyl compounds containing four skeletons were firstsynthesized from ellagic acid via a reduction with dibal - h . the cytotoxicity activities of these compounds were evaluated against human tumor cells in vitro
   以鞣花酸为原料经关键的二异丁基氢化铝还原首次合成了数个拥有4个骨架的多取代联苯化合物,并对其人类肿瘤细胞毒活性进行了体外测试。