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Molecules 1997, 2(6), 91-98; doi:10.3390/20600091
Article

Synthesis and Characterization of Heptamethine Cyanine Dyes

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Received: 20 March 1997; Accepted: 11 April 1997 / Published: 11 June 1997
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Abstract: 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-hydroxy-methylenecyclohexene or N-[5-(phenylamino)-2,4-phentadienylidene] aniline monohydro-c hloride. The structures of the dyes were characterized by virtue of 1HNMR, 13C-NMR, IR, MS, etc. The reaction conditions and physicochemical properties of the dyes were extensively explored with classical photo-physical techniques
Keywords: Synthesis; cyanine dye; infrared dye; indotricarbocyanine dye Synthesis; cyanine dye; infrared dye; indotricarbocyanine dye
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MDPI and ACS Style

Li, Q.; Tan, J.; Peng, B.-X. Synthesis and Characterization of Heptamethine Cyanine Dyes. Molecules 1997, 2, 91-98.

AMA Style

Li Q, Tan J, Peng B-X. Synthesis and Characterization of Heptamethine Cyanine Dyes. Molecules. 1997; 2(6):91-98.

Chicago/Turabian Style

Li, Qun; Tan, Ji; Peng, Bi-Xian. 1997. "Synthesis and Characterization of Heptamethine Cyanine Dyes." Molecules 2, no. 6: 91-98.


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