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- W2080146445 endingPage "52" @default.
- W2080146445 startingPage "25" @default.
- W2080146445 abstract "Synthesis, structural characteristics, and optical and electrochemical properties of various covalently-linked porphyrin arrays are described. First, aromatic-spacer bridged diporphyrins were prepared in which the diporphyrin geometries were conformationally-restricted and thus suitable for detailed studies on the exciton coupling and the intramolecular energy and/or electron transfer reactions. Secondly, the Ag(I)-salt oxidation of 5,15-diaryl Zn(II) porphyrins provided meso–meso-linked Zn(II)-diporphyrins. This reaction is advantageous in light of its high regioselectivity and easy extension to longer porphyrin arrays. The doubling reaction was repeated up to the synthesis of a discrete 128-mer, which is, to the best of our knowledge, the longest man-made molecule. Finally, the oxidation of meso–meso-linked Zn(II) porphyrin arrays with a combination of 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) and Sc(III)(OTf)3 produced fused porphyrin arrays with full π-conjugation, which displayed extremely small HOMO–LUMO gaps that reach into the infrared region." @default.
- W2080146445 created "2016-06-24" @default.
- W2080146445 creator A5000112937 @default.
- W2080146445 creator A5027189790 @default.
- W2080146445 creator A5042877666 @default.
- W2080146445 creator A5078891698 @default.
- W2080146445 date "2002-06-01" @default.
- W2080146445 modified "2023-10-14" @default.
- W2080146445 title "Photochemistry of covalently-linked multi-porphyrinic systems" @default.
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