The compound is prepared by Thebaine or analogs thereof reacting with agents containing single substituted ethylenes and by a corresponding transformation method.
所述的化合物由蒂巴因或其类似物与含有单取代乙烯类试剂反应以及相关转化方法制备。
The present invention relates to one kind of substituted azophenyl carboxylate containing fluorine atom and cyan group as liquid crystal compound and its preparation process.
本发明涉及一种含氟原子和氰基的取代偶氮苯羧酸酯类液晶化合物及其制备方法。
The phenyl groups in compound 1 were substituted by ICl, Br 2 or I 2 to yield mono- and dihalide derivatives(2—8).
加成物（ 1 ）与卤素反应后，与锡原子相连的苯基被取代，得到一卤代、二卤代和混合二卤代物（2— 8） 。
Electron donor combinations used in the invention include multiple substituted anthracene compounds or a combination of at least one substituted anthracene compound with unsubstituted anthracene.
用于本发明的电子给体组合包括多种取代的蒽化合物或者至少一种取代的蒽化合物与未取代的蒽的组合。
The active hydrogen in the compound (6) might take negative effect in some reactions and was substituted by a methyl to get compound (7) which was a new chiral guanidine.
化合物(6)上与氮相连的活泼氢原子，可能对某些反应有不利影响，故用碘甲烷对其进行甲基取代，得到了新的手性胍—化合物(7)，并做了表征。
The photoinitiator contains biphenyl substituted aromatic ketone compound with hetero atoms or a composite with the compound.
本发明的光引发剂包含联苯基取代的含杂原子芳香酮类化合物，或含有这些化合物的组合物。
These organic pollutants included phenol, organosulfur compound, organic acid, organophosphorus pesticide, substituted benzene and multi-component organic pollutants.
这些成果包括酚类、有机硫化合物、有机酸、有机磷农药、苯系物、多组分有机污染物的分析测定。
Mono-substituted compound could photo-damaged DNA through the generation of singlet oxygen.
单体衍生物能够通过光照下单线态氧的形成损伤DNA。
Synthesis of Intramolecular Double-helical Compound Connecting Chiral 2,2'-Substituted 1,1'-Binaphthyl with meta-Pyridine Bridges.
光学活性的2，2'-二取代1，1'-联萘和间吡啶桥构筑的分子内双螺旋化合物的合成。
Synthesis of Intramolecular Double-helical Compound Connecting Chiral 2,2'-Substituted 1,1'-Binaphthyl with meta-Pyridine Bridges.
光学活性的2，2'-二取代1，1'-联萘和间吡啶桥构筑的分子内双螺旋化合物的合成。
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