Grant, Trevor M. published the artcileStraightforward and Relatively Safe Process for the Fluoride Exchange of Trivalent and Tetravalent Group 13 and 14 Phthalocyanines, Quality Control of 91-15-6, the main research area is preparation aluminum gallium trivalent silicon germanium tetravalent phthalocyanine fluoro; cyclic voltammetry aluminum gallium trivalent silicon germanium tetravalent phthalocyanine; thermal decomposition aluminum gallium trivalent silicon germanium tetravalent phthalocyanine.
To avoid the use of hydrofluoric acid, a series of fluorinated trivalent and tetravalent metal containing phthalocyanines (I, II: MPcs) were synthesized using a straightforward one-step halide substitution process using CsF as the fluoride source and in reflux in DMF for less than an hour. The resulting fluoro-MPcs were phys. characterized and compared to the parent chloro-MPcs. In some cases, very little change in properties were observed between the fluoro MPc and the chloro MPc. In other cases, such as F-AlPc, a blue shift in the absorbance characteristics and an increase in oxidation and reduction potential of as much as 0.22 V was observed compared to the chloro derivative Thermo gravimetric anal. (TGA) was performed on all halo-MPcs indicating a change in mass loss profile with heating temperature indicating that the choice of halo substitution on the axial position can have an effect on the decomposition or sublimation temperature of the final compound After initial establishment and characterization of the fluoro-MPcs, the halide substitution reaction of F2-SiPc was further explored by scaling the reaction up to a gram scale as well as considering TBAF as addnl. safe fluoride source. The scaled-up reactions producing F2-SiPc using CsF and TBAF as fluoride exchange sources were successfully reproducible resulting in reaction yields of 100% and 73%, resp. Both processes led to pure final products but CsF, as the fluoride exchange reagent, appears to be the superior reaction process as it has a much higher yield.
ACS Omega published new progress about Electrochemical redox reaction. 91-15-6 belongs to class nitriles-buliding-blocks, name is Phthalonitrile, and the molecular formula is C8H4N2, Quality Control of 91-15-6.
Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts