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(Sulfasalazinato-?O)bis-(triphenyl-phosphine-?P)copper(I).

ABSTRACT: The title mixed-ligand copper(I) complex, [Cu(C(18)H(13)N(4)O(5)S)(C(18)H(15)P)(2)], was synthesized via solvothermal reaction of [Cu(PPh(3))(2)(MeCN)(2)]ClO(4) and sulfasalazine [systematic name: 2-hydr-oxy-5-(2-{4-[(2-pyridylamino)sulfon-yl]phen-yl}diazen-yl)benzoic acid]. The mononuclear complex displays a trigonal coordination geometry for the Cu(I) atom, which is surrounded by two P-atom donors from two different PPh(3) ligands and one O-atom donor from the monodentate carboxyl-ate group of the sulfasalazinate ligand. The latter ligand is found in a zwitterionic form, with a deprotonated amine N atom and a protonated pyridine N atom. Such a feature was previously described for free sulfasalazine. The crystal structure is stabilized by C-H?O, C-H?N, N-H?N and O-H?O hydrogen bonds.

SUBMITTER: Huang KB 

PROVIDER: S-EPMC2979139 | biostudies-other | 2010

REPOSITORIES: biostudies-other

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(Sulfasalazinato-κO)bis-(triphenyl-phosphine-κP)copper(I).

Huang Ke-Bin KB   Tan Yan-Shu YS   Song Xiao-Yan XY   Liu Yan-Cheng YC   Chen Zhen-Feng ZF  

Acta crystallographica. Section E, Structure reports online 20100421 Pt 5

The title mixed-ligand copper(I) complex, [Cu(C(18)H(13)N(4)O(5)S)(C(18)H(15)P)(2)], was synthesized via solvothermal reaction of [Cu(PPh(3))(2)(MeCN)(2)]ClO(4) and sulfasalazine [systematic name: 2-hydr-oxy-5-(2-{4-[(2-pyridylamino)sulfon-yl]phen-yl}diazen-yl)benzoic acid]. The mononuclear complex displays a trigonal coordination geometry for the Cu(I) atom, which is surrounded by two P-atom donors from two different PPh(3) ligands and one O-atom donor from the monodentate carboxyl-ate group of  ...[more]

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