A Platinum(II) Diamino-β-cyclodextrin Complex:  A Crystallographic and Solution Study. Synthesis and Structural Characterization of a Platinum(II) Complex of 6A,6B-Diamino-6A,6B-dideoxycyclomaltoheptaose

The new platinum(II) complex of 6A,6B-diamino-6A,6B-dideoxycyclomaltoheptaose was synthesized and characterized by spectroscopy (NMR, FAB MS, UV, c.d.) and X-ray diffraction analysis. The complex crystallizes in the ortorhombic space group P212121 with a = 26.970(2), b = 15.102(2), and c = 16.142(2)...

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Bibliographic Details
Published in:Inorganic chemistry 1996-12, Vol.35 (26), p.7535-7540
Main Authors: Cucinotta, Vincenzo, Grasso, Giulia, Pedotti, Sonia, Rizzarelli, Enrico, Vecchio, Graziella, Di Blasio, Benedetto, Isernia, Carla, Saviano, Michele, Pedone, Carlo
Format: Article
Language:English
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Summary:The new platinum(II) complex of 6A,6B-diamino-6A,6B-dideoxycyclomaltoheptaose was synthesized and characterized by spectroscopy (NMR, FAB MS, UV, c.d.) and X-ray diffraction analysis. The complex crystallizes in the ortorhombic space group P212121 with a = 26.970(2), b = 15.102(2), and c = 16.142(2) Å. The Pt(II) has a square-planar coordination with two chlorine atoms and two amino groups in a cis disposition. The complexation with the Pt(II) induces a distortion of the cavity. The hydrogen bonds on the secondary hydroxyl groups, which involve the functionalized rings, are longer and consequently weaker than the other hydrogen bonds.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic9607651