SYNTHESIS AND ELECTRONIC ABSORPTION SPECTRA OF MONOETHYNOLOGS OF MALACHITE GREEN WITH p-SUBSTITUENT ON PHENYL RING
A series of bis(p-dimethylaminophenyl) (p-substituted phenylethynyl)carbonium perchlorates has been prepared.The electronic spectral properties are affected by both coplanarity of the cation parts and the effect of substituent on phenyl ring.A linear rela
ETHYNOLOGS OF TRIPHENYLMETHANE DYES. SYNTHESES AND PROPERTIES OF ACETYLENIC ANALOGS OF MALACHITE GREEN, CRYSTAL VIOLET, AND THEIR RELATED COMPOUNDS
The acetylenic analogs of malachite green, crystal violet, and their related compounds have been synthesized to examine an effect of an acetylenic bond on a dye system.