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- W2022142574 abstract "Eine Auswahl von Cyclotriphosphazenen mit unterschiedlichen Typen und Anzahl funktioneller Pyridylalkylaminogruppen konnte durch Umsetzungen von Chlorophosphazenen mit Aminoalkylpyridinderivaten erhalten werden. Alle Verbindungen wurden vollständig charakterisiert. Die Struktur eines multifuntionellen N-donor Liganden, N3P3(OC6H5)5(NHCH2CH2C5H4N-2) (1), wurde ermittelt. Das hexafunktionalisierte Derivat N3P3(NHCH2CH2C5H4N-2)6 (10) reagiert mit Dichlormethan zum HCl-Salz (10 a), dessen Struktur gleichfalls durch Röntgenstrukturanalyse bestimmt werden konnte. Die Komplexbildung von N3P3(OC6H5)5(NHCH2C5H4N-3) (2) mit Cobalt(II)chlorid führt zum Cobaltkomplex (2 a), in dem zwei Moleküle des Liganden durch die Pyridinstickstoffatome an das tetraedrisch koordinierte Cobaltatom gebunden sind. Der tetrafunktionalisierte Ligand gem-N3P3(OC6H5)2(NHCH2CH2C5H4N-2)4 (8) reagiert mit Cobalt(II)chlorid zu einem zweikernigen Cobalt–Cobaltat Komplex (8 a). Die CoCl-Einheit ist hier durch Wechselwirkungen eines Phosphazenstickstoffatoms und zweier Pyridingruppen cis-vicinal angeordneter Substituenten gebunden, während die CoCl3-Gruppe mit einer weiteren Pyridineinheit verknüpft ist. Synthesis, Complex Formation and Crystal Structures of Cyclotriphosphazenes with Pyridylalkylamino Groups A variety of cyclotriphosphazenes with different numbers and types of functional pyridylalkylamino groups were synthesized by reactions of chlorophosphazenes with aminoalkylpyridine derivatives and completely characterized. The molecular structures of one multifunctional N-donor ligand, N3P3(OC6H5)5(NHCH2CH2C5H4N-2) (1), was determined by X-ray structure analysis. The hexafunctionalized derivative N3P3(NHCH2CH2C5H4N-2)6 (10) reacts with dichloromethane to form the HCl salt (10 a) the structure of which could also determined by X-ray crystal structure analysis. Complex formation of N3P3(OC6H5)5(NHCH2C5H4N-3) (2) with cobalt(II) chloride yields the cobalt complex (2 a) in which two molecules of the ligand are bonded to the tetrahedraly coordinated cobalt atom by the pyridine nitrogen atoms. The tetra functionalized ligand gem-N3P3(OC6H5)2(NHCH2CH2C5H4N-2)4 (8) forms the dinuclear cobalt-cobaltate complex (8 a) by interactions of a phosphazene nitrogen atom and the pyridine atoms of two cis-vicinal functional groups with a CoCl unit and a pyridine group with a CoCl3-unit." @default.
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- W2022142574 date "2000-09-01" @default.
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- W2022142574 title "Synthese, Komplexbildung und Kristallstrukturen von Cyclotriphosphazenen mit Pyridylalkylaminogruppen" @default.
- W2022142574 doi "https://doi.org/10.1002/1521-3749(200009)626:9<1946::aid-zaac1946>3.0.co;2-2" @default.
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