3-Nitrophthalic anhydride was reacted with urea and cobalt salt in nitrobenzene under N2 at 185°C and cobalttetraanitrophthalocyanine (CoTNP) was produced. Cobalt-tetraaminophthalocyanine (CoTAP) was produced by reduction of CoTNP caused by Sodium borohydride under N2(g). CoTAP and chloromethylpolystyrene was refluxed in nitrobenzene or DMF at 180 oC for 12h. The mixture was cooled down to reach the room temperature and then solvent removed and the resulting precipitate was washed with water to remove excess CoTAP, and dried it to get a light green solid (CoTAP-linked-polymer).
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