Topic
Xanthene
About: Xanthene is a research topic. Over the lifetime, 2132 publications have been published within this topic receiving 34803 citations. The topic is also known as: Xanthene & dibenzo[a,e]pyran.
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TL;DR: In this paper, an efficient synthetic method of tetracyclic 3,4-fused indoles and dihydroindoles via rhodium-catalyzed (3+2) cycloaddition of N-tosyl-4-(2-phenoxyphenyl)-1,2,3-triazole was described.
Abstract: An efficient synthetic method of tetracyclic 3,4-fused indoles and dihydroindoles via rhodium-catalyzed (3+2) cycloaddition of N-tosyl-4-(2-phenoxyphenyl)-1,2,3-triazole was described. The aromatized xanthene derivatives can be achieved in a one-pot synthesis starting from 1-ethynyl-2-phenoxybenzene. The xanthene-based fused heterocycles were considered as the valuable fluorophore.
2 citations
2 citations
TL;DR: Fluorene-based analogues of fluorescein, rhodol, and rhodamine exhibit absorption and fluorescence beyond 800-900 nm in water, 300-400 nm red-shifted compared to the original oxygen-bridged xanthene dyes, giving potential access to low molecular weight fluorescent markers for the second biological window (NIR-II, ca. 1000-1350 nm).
2 citations
TL;DR: KeTMR and KeJuR, two xanthene-based dyes that were readily obtained through a 2-step synthetic route, have shown a robust PA signal under 860 nm excitation and can be paired with traditional PA dyes for multiplex imaging in blood samples under a tissue-mimicking environment as discussed by the authors .
2 citations
Patent•
02 Jan 2017
TL;DR: In this article, a polymer compound was used as a colorant resin composition for a color filter, which has excellent heat resistance and photo-resistance and shows improved chemical resistance.
Abstract: The present invention relates to a polymer compound used as a colorant resin composition for a color filter. The polymer compound comprises a structure represented by chemical formula 1 or chemical formula 2. The polymer compound has excellent heat resistance and photo-resistance and shows improved chemical resistance. Thus, the polymer compound can be applied to various devices, particularly as a resin composition for a color filter forming a display device. In chemical formula 1 and chemical formula 2, the substituents are the same as defined in the specification.
2 citations