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Chloro‐2‐(diphenylphosphino)benzaldehyde 4‐phenylsemicarbazonato‐P, N, N′)methoxooxorhenium(V) – a Semicarbazone Complex with an Unusual Coordination Mode
Author(s) -
Barandov Ali,
Abram Ulrich
Publication year - 2007
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.200700268
Subject(s) - semicarbazone , benzaldehyde , deprotonation , chemistry , methanol , ligand (biochemistry) , medicinal chemistry , coordination complex , stereochemistry , nuclear magnetic resonance spectroscopy , ion , organic chemistry , catalysis , metal , biochemistry , receptor
(NBu 4 )[ReOCl 4 ] reacts with 2‐(diphenylphosphino)benzaldehyde 4‐phenylsemicarbazone (HL 1 ) in methanol under formation of the red rhenium(V) complex [ReO(Cl)(OMe)(L 1 )]. The semicarbazonato ligand is singly deprotonated and coordinates meridionally via the phosphorus atom and two nitrogen atoms. This unusual coordination mode of a semicarbazone is confirmed by IR and NMR spectroscopy and by the solid state structure of the product.

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