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Syntheses, Molecular Structures, and Complex Formation of Geminal Di(2-pyridylmethylamino)-substituted Cyclotriphosphazenes

✍ Scribed by Michael Kretschmann; Ursula Diefenbach

Publisher: John Wiley and Sons
Year: 1998
Tongue: German
Weight: 185 KB
Volume: 624
Category: Article
ISSN: 0372-7874
DOI: 10.1002/(sici)1521-3749(199802)624:2<335::aid-zaac335>3.0.co;2-c

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✦ Synopsis

N 3 P 3 Cl 6 reacts with 2-(aminomethyl)pyridine under formation of the stable geminal difunctionalized compound gem-N 3 P 3 Cl 4 (NHCH 2 (C 5 H 4 N)-2) 2 1. The chlorine atoms can be substituted by reacting 1 with sodium phenoxide to yield gem-N 3 P 3 (OC 6 H 5 ) 4 (NHCH 2 (C 5 H 4 N)-2) 2 2. A vicinal di(pyridylmethylamino)-substituted compound, vic-N 3 P 3 (OC 6 H 5 ) 4 (NHCH 2 (C 5 H 4 N)-2) 2 3 can be obtained from the reaction of vic-N 3 P 3 (OC 6 H 5 ) 4 Cl 2 with 2-(aminomethyl)pyridine. Decomposition to [Cu(NH 2 CH 2 (C 5 H 4 N)-2) 2 (NO 3 ) 2 ] 4 occurs when 1 is ex-posed to copper(II) nitrate ´H2 O. By contrast, 2 forms the stable copper complex [Cu(NO 3 ) 2 ´(2)] 2 a in which the copper atom is bonded to three nitrogen atoms of the new chelating ligand and three oxygen atoms of the unsymmetrically coordinated nitrate groups. The structures of 1, 2, and 2 a were determined by X-ray crystallography.

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