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Photochemistry and photophysics of triarylmethane dye leuconitriles
1Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio 43403, USA.
The Journal of Organic Chemistry
|June 30, 2001
Abstract:
The photochemical reactions of crystal violet leuconitrile (CVCN) were investigated by the means of product analysis and trapping experiments, laser flash and steady-state photolysis, and steady-state fluorescence. The influence of oxygen on the reaction was examined in detail. The photochemistry of malachite green leuconitrile (MGCN), basic fuchsin leuconitrile (BFCN), and crystal violet leucomethyl (CVMe) and leucobenzyl (CVBn), as well as triphenylacetonitrile, was studied. The results suggest ionization occurs from S1, while the di-pi-methane reaction is the photochemical route from T1.