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首页> 外文期刊>Chemistry: A European journal >Chromophoric and Dendritic Phosphoramidites Enable Construction of Functional Dendrimers with Exceptional Brightness and Water Solubility
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Chromophoric and Dendritic Phosphoramidites Enable Construction of Functional Dendrimers with Exceptional Brightness and Water Solubility

机译：发色和树状亚磷酰胺使功能性树状分子的构建具有出色的亮度和水溶性

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摘要

The fluorescence brightness of a molecular probe determines whether it can be effectively measured and its water solubility dictates if it can be applied in real-world biological systems. However, molecules brighter than the most efficient fluorescent dyes or particles brighter than quantum dots are hard to come by, especially when they must also be soluble in water. In this report, chromophoric phosphoramidites are used in a solid-state synthesis to construct functional dendrimers. When highly twisted chromophores are chosen and the proper spacers and dendrons are introduced, the resultant dendrimers emit exceptionally bright fluorescence. Chromophores, spacers, and dendrons are stitched together by efficient phosphoramidite reagents, which afford high-yield water-soluble phosphodiester linkages after deprotection. The resulting water-soluble dendrimers are exceptionally bright.
机译：分子探针的荧光亮度决定了它能否被有效地测量，其水溶性决定了它是否可以应用于现实世界的生物系统中。但是，很难获得比最高效的荧光染料亮的分子或比量子点亮的粒子，特别是当它们也必须溶于水时。在此报告中，发色亚磷酰胺用于固态合成以构建功能性树状聚合物。当高度扭曲的发色团的选择和适当的间隔件和树突的引入，得到的树枝状聚合物发射格外明亮的荧光。发色团，间隔基和树突通过有效的亚磷酰胺试剂缝合在一起，该试剂可在脱保护后提供高产率的水溶性磷酸二酯键。所得的水溶性树枝状聚合物非常亮。

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