2. Academic Validation
  3. Rational Molecular Design and Synthesis of Highly Thermo- and Photostable Near-Infrared-Absorbing Heptamethine Cyanine Dyes with the Use of Fluorine Atoms

Rational Molecular Design and Synthesis of Highly Thermo- and Photostable Near-Infrared-Absorbing Heptamethine Cyanine Dyes with the Use of Fluorine Atoms

  • Chemistry. 2016 Aug 22;22(35):12282-5. doi: 10.1002/chem.201602955.
Kazumasa Funabiki 1,  Kazutaka Yagi 2,  Masato Ueta 2,  Mitsuru Nakajima 3,  Masako Horiuchi 3,  Yasuhiro Kubota 2,  Masaki Mastui 2
Affiliations

Affiliations

  • 1 Department of Chemistry and Biomolecular Science, Gifu University, 1-1 Yanagido, Gifu, Japan. funabiki@gifu-u.ac.jp.
  • 2 Department of Chemistry and Biomolecular Science, Gifu University, 1-1 Yanagido, Gifu, Japan.
  • 3 Yokkaichi Plant & Research Laboratories JSR Corporation, 100 Kawajiricho, Yokkaichi-shi, Mie, 510-8552, Japan.
PMID: 27355196 DOI: 10.1002/chem.201602955
Abstract

Highly thermo- and photostable, near-infrared-absorbing heptamethine cyanine dyes were achieved with the use of fluorine-containing components. In particular, one prepared heptamethine cyanine dye, bearing a tetrakis(pentafluorophenyl)borate as a counter anion and an N-ethyl-2,2,2-trifluoroacetamido group at the meso position, showed not only a high decomposition temperature (Tdt ), but also very high photostability toward white LED irradiation.

Keywords

cyanines; fluorine; near-infrared; photochemistry; thermostability.

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