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Issue 45, 2020
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Silicon incorporation in polymethine dyes

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Abstract

Methods to red-shift fluorophores have garnered considerable interest due to the broad utility of low energy light. The incorporation of silicon into xanthene and coumarin scaffolds has resulted in an array of visible and near-infrared fluorophores. Here, we extend this approach to polymethine dyes, another popular fluorophore class, performing experimental and computational analyses. We found that when oxygen was replaced with SiMe2, bathochromic shifts of up to 121 nm and fluorophores with emission above 900 nm were achieved.

Graphical abstract: Silicon incorporation in polymethine dyes

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Supplementary files

Article information


Submitted
12 Dec 2019
Accepted
02 Apr 2020
First published
01 May 2020

Chem. Commun., 2020,56, 6110-6113
Article type
Communication

Silicon incorporation in polymethine dyes

M. Pengshung, P. Neal, T. L. Atallah, J. Kwon, J. R. Caram, S. A. Lopez and E. M. Sletten, Chem. Commun., 2020, 56, 6110
DOI: 10.1039/C9CC09671J

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