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• W2143222642 abstract "(1,2-Naphthalocyaninato)eisen(II) (1,2-NcFe) (1) wird aus 1,2-Dicyannaphthalin durch Umsetzung mit Pentacarbonyleisen erhalten. Die monomeren bisaxialen Isocyanidkomplexe 1,2-NcFeL2 (2–4) mit L = t-BuNC, c-HxNC und bzNC sowie der überbrückte Komplex [1,2-NcFe(dib)]n (5) (dib = 1,4-Diisocyanbenzol) entstehen als stabile Verbindungen durch direkte Umsetzung von 1 mit den entsprechenden Liganden L. Die Isocyanidkomplexe werden durch spektroskopische und thermogravimetrische Methoden charakterisiert. Die NMR-Spektren von 1,2-NcFe-(c-HxNC)2 (3) zeigen, daß bei der Synthese von 1 ein Isomerengemisch entsteht. Eines der möglichen Strukturisomeren von 3 wird durch Säulenchromatographie abgetrennt. Die erstmalig an einem 1,2-Naphthalocyaninderivat durchgeführte Kristallstrukturanalyse ergibt, daß es sich um das symmetrische Isomere 3a handelt. Im Gegensatz zu [2,3-NcFe(dib)]n ist [1,2-NcFe(dib)]n (5) nur ein schlechter Halbleiter; läßt sich jedoch mit Iod oxidativ zu [1,2-NcFe(dib)I1.8]n dotieren, das eine Pulverleitfähigkeit σRT = 4 × 10−3 S/cm zeigt. (1,2-Naphthalocyaninato)iron(II) Compounds with Isocyanides as Axial Ligands; Crystal Structure of an Isomer of Bis(cyclohexylisocyanide)(naphthalocyaninato)iron(II) (1,2-Naphthalocyaninato)iron(II) (1,2-NcFe) (1) is prepared by the reaction of 1,2-dicyanonaphthalene with pentacarbonyliron. The monomeric bisaxial isocyanide complexes 1,2-NcFeL2 (2–4) with L = t-BuNC, c-HxNC, and bzNC as well as the bridged complex [1,2-NcFe(dib)]n (5) (dib = 1,4-diisocyanobenzene) are formed as stable compounds by treating 1 with the neat ligands L. The isocyanide complexes are characterized by spectroscopic and thermogravimetric methods. The synthesis of 1 affords a mixture of isomers as shown by the NMR spectra of 1,2-NcFe(c-HxNC)2 (3). One of these structural isomers of 3 is separated by column chromatography. The crystal structure analysis carried out for the first time on a 1,2-naphthalocyanine derivative shows it to be the symmetrical isomer 3a. [1,2-NcFe(dib)]n (5) exhibits only poorly semiconducting properties as compared to [2,3-NcFe(dib)]n. However, compound 5 can be doped with iodine, and the product formed, [1,2-NcFe(dib)]I1.8n, shows a powder conductivity σRT = 4 × 10−3 S/cm." @default.
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• W2143222642 title "(1,2‐Naphthalocyaninato)eisen(II)‐Verbindungen mit Isocyaniden als axiale Liganden; Kristallstruktur eines Isomeren des Bis(cyclohexylisocyanid)‐(1,2‐naphthalocyaninato)eisen(II)" @default.
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• W2143222642 doi "https://doi.org/10.1002/cber.19881210823" @default.
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