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In this paper, a novel organic–inorganic hybrid heterogeneous catalyst was prepared through the immobilization of nickel tetrasulfophthalocyanine (NiTSPc) complex onto silica. The synthetic route is facile, cost effective and green. The catalyst was characterized by elemental analysis, diffuse reflectance UV–visible spectroscopy, 13 C CPMAS and 29 Si CPMAS NMR spectroscopy, X-ray diffraction...
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