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  • 1
    Digitale Medien
    Digitale Medien
    Nickel Hemiporphyrazines as Bisdienes and Bisdienophiles: Synthesis and Characterization (1996)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 129 (1996), S. 237-242 
    Details
    ISSN: 0009-2940
    Schlagwort(e): Hemiporphyrazines ; Macrocyclic bisdienes and bisdienophiles ; Nickel complexes ; Chemistry ; Inorganic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: The bisdienophilic (hemiporphyrazinato)nickel complexes 1a-d bearing various alkoxy groups were synthesized from diiminoisoindoles 9a-d, diaminopyridines 10a, d, and nickel acetate. Reaction of 1a-d with an excess of pentaene 3 delivered the macrocyclic bisdienes 2a-d. The hemiporphyrezines were characterized by 1H- and 13C-NMR spectroscopy. The NMR spectra of the 1,6,16,21-tetrabutoxy-substituted compounds 1b and 2b are discussed with respect to the presence of syn/anti isomers.
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/cber.19961290220
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  • 2
    Digitale Medien
    Digitale Medien
    Synthesis of a Bisdienophilic Phthalocyanine and of Precursors for Repetitive Diels-Alder Reactions Based on Hemiporphyrazines and Phthalocyanines (1997)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 130 (1997), S. 801-806 
    Details
    ISSN: 0009-2940
    Schlagwort(e): Unsymmetrical phthalocyanines ; Hemiporphyrazines ; Macrocyclic bisdienes and bisdienophiles ; Diels-Alder reactions ; Ladder polymers ; Cycloaddition ; Macrocycles ; Chemistry ; Inorganic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: The specific synthesis of a metal-free bisdienophilic phthalocyanine 193, suitable for repetitive Diels-Alder reactions, is reported. This was achieved by condensation of 191,3,3-trichloro-6/7-nitroioindolenine (191) and 4,9-dibutoxy-2,3,5,8-tetrahydro-1,3-diimino-1H-5,8-epoxybenz[f]isoindoline (2). The ability of 3 to undergo Diels-Alder reactions was tested by reaction with an excess of 1,2,3,4-tetraphenylcyclopentadienone (5). Experimental data of the hemiporphyrazines 9, 10, and 11, which can be used as precursors for the synthesis of ladder polymers, are also given in the Experimental Section.
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/cber.19971300620
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  • 3
    Digitale Medien
    Digitale Medien
    Synthesis and Electrochemistry of Diels-Alder Adducts of [60] Fullerene with a Phthalocyanine and a Hemiporphyrazine (1997)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 130 (1997), S. 1375-1378 
    Details
    ISSN: 0009-2940
    Schlagwort(e): Phthalocyanines ; Hemiporphyrazines ; Fullerenes ; Diels-Alder reactions ; Chemistry ; Inorganic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: The synthesis of a new Diels-Alder adduct 7 of [60]fullerene and a phthalocyaninenickel compound containing a longer spacer than the originally reported Diels-Alder adduct 1 is described. The bisenophilic hemiporphyrazinenickel compound 11 reacts with [60]fullerene to form a Diels-Alder adduct 12 containing two fullerene units. Spectroelectrochemical investigations of 7 and 12 reveal multiple reductions, which are attributed to the corresponding subunits of the molecules. In contrast to 1, the election acceptor properties of the [60]fullerene unit in both molecules have no influence on the electronic properties of the phthalocyanine and hemiporphyrazine, respectively.
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/cber.19971301005
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  • 4
    Digitale Medien
    Digitale Medien
    Synthese und Charakterisierung neuer Hemiporphyrazinato-Nickelkomplexe (1995)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 128 (1995), S. 417-421 
    Details
    ISSN: 0009-2940
    Schlagwort(e): Hemiporphyrazines ; Heminaphthoporphyrazines ; Nickel complexes ; Chemistry ; Inorganic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: Synthesis and Characterization of New Hemiporphyrazinato Nickel ComplexesThe new substituted (hemiporphyrazinato)nickel complexes [HpNi] 3-9 and 11-14, the (heminaphthoporphyrazinato)-nickel complexes 15-19 [HnpNi], and the hemianthraceno-phorphyrazine complex [HapNi] 20 are prepared from isoin-dolenines 1a-e and 10a-d, diaminopyridines 2a-e and nickel acetate. The compounds were characterized by 1H- and 13C-NMR spectroscopy. The 1H-NMR spectrum of the mixture of the 3,18/3,19-substituted (C2v/C2h) complexes is discussed.
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/cber.19951280414
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