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Synthesis and Characterization of Heptamethine Cyanine Dyes
- Qun Li,
- Ji Tan and
- Bi-Xian Peng
A series of meso-chlorine substituted heptamethine-cyanine dyes and related heptamethine cyanine dyes unsubstituted on the vinyl chain were synthesized by condensation of 2,3,3-trimethyl indolenium salts with reactive intermediates, 2-chloro-formyl-3...

