Synthesis and properties of axially-phenoxycyclotriphosphazenyl substituted silicon phthalocyanine
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Scheme 1
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The synthetic route of the compounds presented in this work is shown in Scheme 1. Compounds 1 [31], 2 [18], 3 [18] and SiPc(Cl)2 [20] were synthesized according to previously published methods. Compound 5 was obtained from a nucleophilic displacement reaction of 3 with SiPc(Cl)2 under a nitrogen atmosphere with sodium hydride (CAS 7646-69-7) as the base. The product was purified by preparative TLC on silica gel using hexane (CAS 110-54-3): THF (3:2) as the eluent. The structure of compound 5 is shown in Fig. 1. The newly synthesized compound 5 was characterized by FT-IR, 1H, 13C and 31P NMR, mass spectrometry and elemental analysis. All the results were consistent with the predicted structure as shown in the experimental section.
