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Citation: Luo Xuehong, Liu Xiufang, Xu Hansheng. Synthesis of Telluracarbocyanine Dyes with Methkyl and Hydroxyl Substituents in Benzene Ring[J]. Chinese Journal of Applied Chemistry, ;1994, 11(6): 12-16. shu

Synthesis of Telluracarbocyanine Dyes with Methkyl and Hydroxyl Substituents in Benzene Ring

1.
Department of Chemistry, Wuhan University, Wuhan 430072

Received Date: 21 February 1994
Available Online: 16 May 1994
Fund Project:

Four noveI telluracarbocyanine dyes have been synthesized from quaternary ammonium iodides of benzotellurazole with ethyl orthoformate.The former was synthesized by treatment of 2,5,6.trimt1i1、yl benzotellurazole and 2-methyl-5-hydroxylbenzotellurazole with methyl or ethyl iodide,respectively.The visible absorption spectra of the dyes in different solvents were recorded.The effects of the solvents and substituents on the spectra of the dves are discussed.
- benzotellurazole,
- cyanine dye,
- telluracarbocyanine dye,
- spectral sensitizer,
- synthe-sis
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