分析了芳环上取代基对氢重排的影响。
The effect of the substituents on the aromatic ring upon the hydrogen rearrangement was studied.
芳环上取代基性质对产物分布的可调性具有重要的影响。
The properties of the substituents on aromatic ring would influence whether the product distribution could be controlled conveniently.
重点介绍了金属茂的合成方法及环戊二烯环上的取代基、溶剂对合成及分离旋光性金属茂的影响。
The synthesis of metallocene, the effects of substitution in cyclopentadiene ring, reaction medium for synthesis and separation of chiral metallocene have been highlighted.
活性亚甲基上的一个氢原子是被环氧基所取代的。
One of the hydrogen atoms of the active methylene group is replaced with a cyclooxy group.
对环上氟取代负介电各向异性液晶的结构、性质和应用作了论述。
The structures, properties and applications of laterally fluorinated negative dielectric anisotropy liquid crystal compounds are reviewed.
同时，抑制剂双环上的取代基团也能和活性口袋外部的部分残基形成一定的范德华和疏水相互作用。
Moreover, the substituents on the bicyclic chromophore can also produce strong van der Waals and hydrophobic interactions with the residues located at the exterior part of the binding pocket.
结果产物中有环氧化产物苯基环氧乙烷，催化剂苯环上有取代基的环氧化物产量高，取代基在5-位上的比在3 -位上的环氧化物产量高。
Results We obtained the epoxidation products of phenyl epoxy ethane. That with substituent on the benzene ring has higher yield, and that the substituent at 5-have higher yield than at 3 -.
通过变换环上的取代位置，可以有效地调控环的电性质，从而调控单分子膜的电化学性质。
By changing the replacement position, the electrical properties of rings could be controlled effectively, so did the electrochemical properties of SAMs.
并讨论了苯环上不同取代基对冠醚环上各碳化学位移的影响。
The influences of benzine ring's different sub-stituets on the chemical shifts of crown's carbons are also discussed.
比较发现，茂环上的取代基越大越有利于二茂铁基阳离子与多阴离子之比小的电荷转移盐的形成。
The experiments show that large substituent group on Cp is favorable to the formation of CTSs with low ratio of ferrocenyl:POM.
比较发现，茂环上的取代基越大越有利于二茂铁基阳离子与多阴离子之比小的电荷转移盐的形成。
The experiments show that large substituent group on Cp is favorable to the formation of CTSs with low ratio of ferrocenyl:POM.
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