1) difluoro-
二氟取代衍生物
1.
The results indicate that the emissions of Alq3 and its derivatives originate from the electron π → π* transitions between different ligands,the difluoro-substituted groups make HOMO-LUMO gaps,ionization potentials an.
采用密度泛函理论(DFT)B3LYP/6-31G方法对三-(8-羟基喹啉)铝(Alq3)及3种二氟取代衍生物进行了计算研究,分析比较了4种配合物的前线分子轨道组成、轨道能级、电离能、电子亲和势及重整能等性质的同异。
2) bifunctionalized derivatives
二取代衍生物
1.
It has been concluded that there is a larger conjugated system in trans-bifunctionalized organoimido derivatives of hexamolybdate than in cis-bifunctionalized derivatives by comparison of their UV/Vis,()~1H-NMR and UV-Vis-NIR spectra.
研究了六钼酸盐的2,6-二甲基苯胺的邻、对位二取代衍生物的UV/Vis1、H-NMR和UV-Vis-NIR反射光谱,发现六钼酸盐的对位二取代衍生物中存在更大的π共轭离域体系。
3) Disubstituted benzene derviatives
二取代苯衍生物
5) 1,3-disubstituted cyclohexane derivatives
1,3-二取代环已烷衍生物
1.
According to the helix theory, the algebraic sum value of all rotations of dihedral angle helix is equal to zero in the structure of 1,3-disubstituted cyclohexane derivatives.
按照螺旋理论,1,3-二取代环已烷衍生物的结构中存在的二面角螺旋旋光度代数和为零,不应具有旋光性,但是它们却是光学活性的。
6) aliphatic compounde.mono-and aisubstituted alkancs
烷烃二取代衍生物
补充资料：-氟-聚(二氟亚甲基)]与二乙醇胺的化合物
CAS：65530-64-5
分子式：C4H11NO2·(CF2)n(CF2)nC4H9F2O4P
中文名称：α,α'-[磷酸亚基二(氧-2,1-亚乙基)]二[ω-氟-聚(二氟亚甲基)]与二乙醇胺的化合物
英文名称：Ethanol, 2,2'-iminobis-, compd. with .alpha.,.alpha.'-[phosphinicobis(oxy-2,1-ethanediyl)]bis[.omega.-fluoropoly(difluoromethylene)]
分子式：C4H11NO2·(CF2)n(CF2)nC4H9F2O4P
中文名称：α,α'-[磷酸亚基二(氧-2,1-亚乙基)]二[ω-氟-聚(二氟亚甲基)]与二乙醇胺的化合物
英文名称：Ethanol, 2,2'-iminobis-, compd. with .alpha.,.alpha.'-[phosphinicobis(oxy-2,1-ethanediyl)]bis[.omega.-fluoropoly(difluoromethylene)]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条