The structure of benzimidazole cyanine dyes, their spectroscopy and their performance in photographic emulsions

DOI: 10.1002/jlac.199719970107

Source and publish data:

Liebigs Annalen p. 27 - 33 (1997)

Update date:2022-08-02

Topics:

Authors:

Peng, Zheng-Hong

Geise Geise

Zhou, Xiang-Feng

Peng, Bi-Xian

Carleer Carleer

Dommisse

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Article abstract of DOI:10.1002/jlac.199719970107

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.

Full text of DOI:10.1002/jlac.199719970107

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