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Preparative Method of Novel Phthalocyanines from 3- Nitro Phthalic Anhydride, Cobalt salt and Urea with Chloromethylpolyestyrene as a Heterogenous, Reusable and Efficient Catalyst. | Abstract

Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

ISSN: 0975-413X

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Abstract

Preparative Method of Novel Phthalocyanines from 3- Nitro Phthalic Anhydride, Cobalt salt and Urea with Chloromethylpolyestyrene as a Heterogenous, Reusable and Efficient Catalyst.

Author(s): Mohammad Ali Zolfigol, Ali Reza Pourali, Sami Sajjadifar and Shohreh Farahmand.

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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