Copper(II) and iron(II) tetraamino- and tetrasulfophthalocyanines supported on cellulose: synthesis, characterization and catalytic activity on aerobic oxidation of alkyl arenes and alcohols

Abstract

Functionalized cellulose with copper(II) and iron(II) tetraamino- and tetrasulfophthalocyanines (CuTAPc@cellulose, CuTSPc@cellulose, FeTAPc@cellulose, and FeTSPc@cellulose) have been synthesized and their structures characterized by FT-IR, elemental analysis, UV–Vis, X-ray diffraction, flame atomic absorption spectroscopy, thermogravimetric analysis, and scanning electron microscopy. The catalytic activity of synthesized catalysts was examined for the aerobic oxidation of alkyl arenes and alcohols to their corresponding carbonyl compounds. We found the best catalyst is the CuTSPc@cellulose from the solvent, conversion, temperature, and reaction time point of views. These catalysts can be readily recycled and reused for several runs without any significant loss of efficiency.