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A series of [tetra-α-(2,2,4-tirmethyl-3-pentoxy) phthalocyaninato] metal complexes(M=Co, Ni, Cu, Zn)were prepared by cyclotetramerization of 3-(2,2,4-tirmethyl-3-pentoxy)phthalonitrile with corresponding anhydrous metal salts, using 1.8-diazabicyclo[5.4.0