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Drug-metal interactions: copper(II) complex of the antidiabetic drug acetohexamide and pyridine.

Abstract：

:The preparation, spectral properties, and crystal structure of a copper(II) complex of 4-acetyl-N-[(cyclohexylamino)carbonyl]benzenesulfonamide, which is known as acetohexamide, and pyridine are reported. The complex Cu(AH)2(py)2, where AH = acetohexamide and py = pyridine, was prepared and characterized by X-ray and ESR. The complex is monoclinic, space group P2(1)/a, with a = 17.412(6), b = 9.039(2), c = 26.531(10) A, beta = 102.24(2) degrees, and Z = 4. The final refinement used 3892 unique reflections and gave an R value of 0.0646. The copper atom is surrounded by four nitrogen atoms in a square-planar arrangement, two from the acetohexamide ligands (Cu-N = 2.009 A) and two from the pyridine molecules (Cu-N = 2.016 A) in a trans geometry. The ESR data support a similar coordination behavior of the copper (g parallel greater than g perpendicular greater than ge) with the unpaired electron in the dx2-y2 orbital.

journal_name

J Inorg Biochem

journal_title

Journal of inorganic biochemistry

authors

Pezeshk A,Pezeshk V

doi

10.1016/0162-0134(90)84012-e

subject

Has Abstract

pub_date

1990-03-01 00:00:00

pages

185-97

issue

3

eissn

0162-0134

issn

1873-3344

pii

0162-0134(90)84012-E

journal_volume

38

pub_type

杂志文章

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