Cyanine Dyes Part – I

V. S. Jolly¹, K. P. Sharma* and P. I. Itttyerah**

¹Research Wing, Cancer Hospital and Research Institute, Gwafior - 474 009 India.

²Chemical Laboratories, Government (Autonomous) Science College, Gwalior-474 009 India.

³St. John's College, Agra India.

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ABSTRACT:

A series of cyanine dyes has been synthesised by the reaction of 4-NN-bis-2-cyanoethylaminobenzaldehyde and with a number of meth and eth iodides of heterocyclic bases. New cyanine dyes have been tested for their photosensitizing action. Only one dye was found to be fairly good sensitizer.

KEYWORDS:

4-NN-bis-2-cyanoethylaminobenzaldehyde; Sensitizer; Photosensitizing