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• W2002149809 abstract "meso-Tetraarylporphyrinato complexes 1a–g (ZnII, CuII, and NiII) bearing one or two nitro-substituted aryl moieties react with 1,1,1-trimethylhydrazinium iodide in the presence of tBuOK in THF at 0–5° or in the presence of KOH in DMSO at 60–70° according to a nucleophilic substitution of an H-atom, thus affording porphyrins 2a–g and 3f,g with amino-functionalized meso-positioned aryl substituents in yields up to 73% (Scheme 1 and Table). The products obtained are attractive intermediates for further derivatization of porphyrins and may be of potential use as sensitizers in photodynamic cancer therapy." @default.
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• W2002149809 date "2007-10-01" @default.
• W2002149809 modified "2023-09-25" @default.
• W2002149809 title "Direct Amination ofmeso-Tetraarylporphyrin Derivatives – Easy Route to A3B-, A2BC-, and A2B2-Type Porphyrins Bearing Two Nitrogen-Containing Substituents at themeso-Positioned Phenyl Groups" @default.
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• W2002149809 doi "https://doi.org/10.1002/hlca.200790207" @default.
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