Synthesis and characterization of novel phthalocyanines with four 16-membered diazadithia macrocycles

Article abstract of DOI:10.1002/cber.19961290815

Metal phthalocyanines (M = Cu, Ni, Co) 3-5 bearing four lo-membered diazadithia macrocycles at the peripheral positions were prepared. Detosylation with concentrated sulfuric acid afforded products containing both sulfonated groups on the aromatic rings o