采用模板导向法高产率地合成了两个含长链亚烷基桥的芳炔类共轭大环。
The synthesis of the first two arylenealkyne conjugated macrocycles containing long alkylene bridge via Glaser coupling of template-directed tetraacetylenes was reported.
这里有普济桥、野芳浜等胜景,还有“五人墓”、“葛贤墓”等古迹。
There are Puji Bridge, scenic spots, such as wild-Bang, there are "five tombs," and "tomb Gexian" and other monuments.
分析表明,溶剂吡啶主要作用于煤基本结构单元芳核的侧链和桥键。
The results show that pyridine mainly ACTS with the side chains and bridge of basic unit in coals.
在氮桥的二边,一个双键及一个烯醛基共轭程度大致与二个芳稠环相当。
In the two sides of nitrogen bridge, the degree of conjugation of one double bond with one formyl polyenic group is about equal to two aromatic cycles.
在氮桥的二边,一个双键及一个烯醛基共轭程度大致与二个芳稠环相当。
In the two sides of nitrogen bridge, the degree of conjugation of one double bond with one formyl polyenic group is about equal to two aromatic cycles.
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