Thirteen new compounds of the alkyl styryl indoline spirobenzopyrans were synthesized from the condensation of 2-methylene indoline with the designed salicylaldehyde.
利用2-亚甲基吲
和取代水杨醛缩合得到十三种新的
基苯乙烯基吲
苯并吡喃。
Thirteen new compounds of the alkyl styryl indoline spirobenzopyrans were synthesized from the condensation of 2-methylene indoline with the designed salicylaldehyde.
利用2-亚甲基吲和取代水杨醛缩合得到十三种新的基苯乙烯基吲苯并吡喃。
A process for decolourization of anionic dye containing wastewater by using waste plastics in the presence of cationic auxiliary and sodium dodecylbenzene sulfonate has been studied.
探讨了在阳离子助剂及十
基苯磺酸钠存在下,利用废旧塑料
离子染料的脱色工艺。
Through IR analysis, the main component in group II was identified as dialkyl-benzene, while in Group III was monoalkyl-benzene as well as dialkyl-tetralin and indane (DTI).
然后用紫外法求得了第Ⅱ族组分中邻、间基苯之和与基苯的质量比约为1∶409。
Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.
以碘代氧基苯与基苯乙炔为中间体,采用为催化剂偶联的方法合成了苯乙炔类液晶化合物。
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