Patent ID: 7538104
Filing Date: 2009-05-26
Classification: B33Y,C07D,G03F

Abstract:
1. A compound to of the formula wherein Ar is capable of absorbing light in the wavelength range from 200 nm to 650 nm, which on absorption brings about a photoelimination which leads to the generation of an amidine group and is unsubstituted phenyl, naphthyl, phenanthryl, anthryl, thienyl, thianthrenyl, anthraquinonyl, xanthenyl, thioxanthyl, phenoxathiinyl, carbazolyl, fluorenyl or phenoxazinyl; or phenyl, naphthyl, phenanthryl, anthryl, thienyl, thianthrenyl, anthraquinonyl, xanthenyl, thioxanthyl, phenoxathiinyl, carbazolyl, fluorenyl or phenoxazinyl substituted one or more times by C wherein R R R R R or Ar is a radical of the formula III wherein R