4.8 Article

β-Thiophene-Fused BF2-Azadipyrromethenes as Near-Infrared Dyes

Journal

ORGANIC LETTERS
Volume 16, Issue 3, Pages 748-751

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol4034622

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Funding

  1. National Nature Science Foundation of China [21072005, 21272007, 21372011]
  2. National Science Foundation of Anhui Province [1208085MB29]

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A facile synthetic route to a new class of near-IR beta-thiophene-fused BF2-azadipyrromethenes (aza-BDTPs) is presented. Sharp absorption and fluorescence emission bands at around 800 nm were observed for these highly photostable aza-BDTPs, with a large absorption coefficient and very low absorptions in the visible range from 700 to 380 nm.

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