
Liebigs Annalen p. 27 - 33 (1997)
Update date:2022-08-02
Topics:
Peng, Zheng-Hong
Geise
Zhou, Xiang-Feng
Peng, Bi-Xian
Carleer
Dommisse
The multi-step synthesis of two benzimidazole trimethine cyanines as possible green sensitizing dyes (Gs3-1, Gs3-2) is reported. Compounds were characterized from UV-Vis, mass spectroscopic and NMR data. The charge density distributions of the two compounds, calculated using the semi-empirical MOPAC 93 package, are in agreement with assignments in NMR spectroscopy. Sensitizing properties of the cyanine dyes were evaluated in actual photographic T-grain emulsions. VCH Verlagsgescllschaft mbH, 1997.
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