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Syntheses and absorption-structure relationships of some new photosensitizer cyanine dyes

✍ Scribed by H. A. Shindy; A. I. M. Koraiem


Book ID
110638253
Publisher
Indian Academy of Sciences,Royal Society of Chemistry
Year
2002
Tongue
English
Weight
176 KB
Volume
114
Category
Article
ISSN
0253-4134

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Syntheses and electronic absorption spec
✍ Reda M. Abd El-Aal; Hassan A. Shindy; Ahmed Ibrahim M. Koraiem πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 242 KB πŸ‘ 2 views

The reaction of a ratio of 1 mole of 5-chloro-3-methyl-1-phenyl pyrazolo-4[2(4)]-dimethine cyanine (1a,b) or (5-chloro-4-formyl-3-methyl-1-phenylpyrazole) 2 with 2 moles of an appropriate 2(4)-heterocyclic quaternary salt afforded the novel pentamethine cyanine dyes (3a-3e). Other reactions of 2 wit