Next, the regioselectivity of the allylation was investigated (Table 3).
其次，区域选择性的烯丙基考察(表3)。
The regioselectivity observed in the reaction was explained in terms of FMO theory.
反应的方位选择性用前线轨道（FMO）理论进行了解释。
The regioselectivity and site selectivity of above cycloadditions can be elucidated by FMO theory.
用前线分子轨道（FMO）理论可以说明上述反应的区域选择性与位置选择性。
Thus, the observed regioselectivity is a kinetic selectivity and not simply the result of equilibration to the more stable linear product.
因此，观察到的区域选择性是一个动力学的选择性，而不是简单的平衡到较稳定的线性产品的结果。
In this dissertation, we synthesized three types of new fullerene derivatives and investigated the regioselectivity of the mono-addition reactions of C_ (70).
本文主要工作是找到富勒烯化学修饰的三种新方法，合成了几类新型的富勒烯衍生物以及研究了C _(70)单加成反应的区域选择性。
In this system good regioselectivity can be achieved mainly because of the existence of a porous support and the low dielectric constant of the reaction media.
一定条件下该硝化剂具有较好的反应位置选择性，这一是由于反应介质低的介电常数，二是多孔载体也具有明显的作用。
Glyoxylate-ene reactions are available and important in natural product synthesis, their regioselectivity and asymmetric induction are dealt with in this paper.
乙醛酸酯的烯反应是有机合成中很重要的新反应。本文综述了该反应的区位选择性，不对称诱导及其在天然产物不对称合成中的应用。
At the same time, we have also investigated the influence of the electric effect and steric hindrance effect of the substituents to the yields and regioselectivity.
同时，我们还研究了取代基团的电子效应和位阻效应对反应产率和区域选择性的影响。
The calculated results show that the regioselectivity of this reaction doesn't result from the energy barriers of relate reactions but the energy gap of the H-bond complexes.
结果表明，决定该反应区域选择性的主要因素不是反应的活化能，而是氢键复合物间的能量差异。
In the presence of hypervalent iodine reagents (PIFA), Direct coupling reaction of N-acetyl-indole with aromatic compounds provided C-3 arylated indoles in high regioselectivity.
我们使用高价有机碘试剂（PIFA）做氧化剂，实现了N-乙酰基吲哚与芳香化合物的直接偶联反应，得到了吲哚3号位高选择性的偶联产物。
In the presence of hypervalent iodine reagents (PIFA), Direct coupling reaction of N-acetyl-indole with aromatic compounds provided C-3 arylated indoles in high regioselectivity.
我们使用高价有机碘试剂（PIFA）做氧化剂，实现了N-乙酰基吲哚与芳香化合物的直接偶联反应，得到了吲哚3号位高选择性的偶联产物。
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