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The Synthesis of Naphthothiazolo Carbocyanine Dye

Naphthothiazolo Carbocyanine 증감색소의 합성

  • Kim, Yeoung-Chan (Photographic Chemistry, Research Lab., Korea Research Institute of Chemical Technology)
  • 김영찬 (한국화학연구소 영상재료실)
  • Published : 1996.05.31

Abstract

In this study, sensitizing dye was prepared by the reaction of 2-methyl-3-sulfopropyl-4, 5-naphthothiazolium(inner salt) with triethyl orthoformate in the presence of triethylamine. The product was identified by using various analytical tools such as Elemental analyzer, IR spectrophotometer, UV-Vis spectrophotometer, $^1H-NMR$ spectrometer, TGA and DSC. Therefore, it was concluded that naphthothiazolo carbocyanine dye can be used as red-sensitizing dye for the spectral sensitization of photographic emulsion.

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