Abstract：
In this account, we provide an overview of the applications that arose from the recently developed synthetic methodology that delivers heptamethine cyanines (Cy7) substituted at the central chain. The ability to easily introduce and manipulate various substituents in different substitution patterns along the cyanine chain enabled rational tailoring of the photophysical and photochemical properties. Exercising this control over the structure-property relationship proved to have a substantial impact in the field of cyanine dyes and was swiftly harnessed in a number of emerging applications in distinct areas, including fluorescent probes, biosensors, dye-sensitized upconversion nanoparticles, phototruncation of cyanines and photocages. While this method unlocked a number of new avenues, many synthetic challenges remain to be conquered in order to fully capitalize on the potential of cyanines, and we provide a short perspective that summarizes them at the end of this manuscript.
摘要：
在这个账户中，我们概述了最近开发的合成方法产生的应用，该方法提供了在中心链取代的七甲基花青（Cy7）。沿着花青链以不同的取代模式容易地引入和操纵各种取代基的能力使得能够合理地调整光物理和光化学性质。事实证明，对结构-性质关系进行这种控制在花青染料领域产生了重大影响，并在不同领域的许多新兴应用中得到了迅速利用。包括荧光探针，生物传感器，染料敏化上转换纳米粒子，花青和光的光分枝。虽然这种方法开启了许多新的途径，为了充分利用花青的潜力，许多合成挑战仍有待克服，我们提供了一个简短的视角，在本手稿的末尾总结了它们。
