Amino acid complexes of platinum(IV). VI. Ethylenediamine-tetraacetate (EDTA) complexes

Trevor G. Aplleton; John R. Hall; Mark A. Williams

doi:10.1016/S0020-1693(00)89118-5

Amino acid complexes of platinum(IV). VI. Ethylenediamine-tetraacetate (EDTA) complexes

Trevor G. Aplleton, John R. Hall, Mark A. Williams

University of Queensland

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

Three isomers of Pt(EDTAH₂)Cl₂, with the ligand tetradentate, have been isolated. The isomer with chloro ligands trans is the initial product of chlorine oxidation of Pt(EDTAH₂), but may be converted readily to thermodynamically more stable isomers with chloro ligands cis. These latter two isomers may also be isolated from direct reaction of K₂PtCl₆ and Na₂(EDTAH₂), and from chlorine oxidation of Pt(EDTAH₄)Cl₂. Pt(EDTAH₄)Cl₄(bidentate ligand) and Pt(EDTAH₃)Cl₃(tridentate ligand) are intermediates in these reactions. The trichloro complex may be isolated. Conversion of Pt(EDTAH₃)Cl₃ to the isomers of Pt(EDTAH₂)Cl₂ provides an interesting example of the operation of the trans effect.

Original language	English
Pages (from-to)	51-56
Number of pages	6
Journal	Inorganica Chimica Acta
Volume	61
Issue number	C
DOIs	https://doi.org/10.1016/S0020-1693(00)89118-5
Publication status	Published - 1982
Externally published	Yes

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title = "Amino acid complexes of platinum(IV). VI. Ethylenediamine-tetraacetate (EDTA) complexes",

abstract = "Three isomers of Pt(EDTAH2)Cl2, with the ligand tetradentate, have been isolated. The isomer with chloro ligands trans is the initial product of chlorine oxidation of Pt(EDTAH2), but may be converted readily to thermodynamically more stable isomers with chloro ligands cis. These latter two isomers may also be isolated from direct reaction of K2PtCl6 and Na2(EDTAH2), and from chlorine oxidation of Pt(EDTAH4)Cl2. Pt(EDTAH4)Cl4(bidentate ligand) and Pt(EDTAH3)Cl3(tridentate ligand) are intermediates in these reactions. The trichloro complex may be isolated. Conversion of Pt(EDTAH3)Cl3 to the isomers of Pt(EDTAH2)Cl2 provides an interesting example of the operation of the trans effect.",

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T1 - Amino acid complexes of platinum(IV). VI. Ethylenediamine-tetraacetate (EDTA) complexes

AU - Aplleton, Trevor G.

AU - Hall, John R.

AU - Williams, Mark A.

PY - 1982

Y1 - 1982

N2 - Three isomers of Pt(EDTAH2)Cl2, with the ligand tetradentate, have been isolated. The isomer with chloro ligands trans is the initial product of chlorine oxidation of Pt(EDTAH2), but may be converted readily to thermodynamically more stable isomers with chloro ligands cis. These latter two isomers may also be isolated from direct reaction of K2PtCl6 and Na2(EDTAH2), and from chlorine oxidation of Pt(EDTAH4)Cl2. Pt(EDTAH4)Cl4(bidentate ligand) and Pt(EDTAH3)Cl3(tridentate ligand) are intermediates in these reactions. The trichloro complex may be isolated. Conversion of Pt(EDTAH3)Cl3 to the isomers of Pt(EDTAH2)Cl2 provides an interesting example of the operation of the trans effect.

AB - Three isomers of Pt(EDTAH2)Cl2, with the ligand tetradentate, have been isolated. The isomer with chloro ligands trans is the initial product of chlorine oxidation of Pt(EDTAH2), but may be converted readily to thermodynamically more stable isomers with chloro ligands cis. These latter two isomers may also be isolated from direct reaction of K2PtCl6 and Na2(EDTAH2), and from chlorine oxidation of Pt(EDTAH4)Cl2. Pt(EDTAH4)Cl4(bidentate ligand) and Pt(EDTAH3)Cl3(tridentate ligand) are intermediates in these reactions. The trichloro complex may be isolated. Conversion of Pt(EDTAH3)Cl3 to the isomers of Pt(EDTAH2)Cl2 provides an interesting example of the operation of the trans effect.

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U2 - 10.1016/S0020-1693(00)89118-5

DO - 10.1016/S0020-1693(00)89118-5

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JO - Inorganica Chimica Acta

JF - Inorganica Chimica Acta

IS - C

ER -

Amino acid complexes of platinum(IV). VI. Ethylenediamine-tetraacetate (EDTA) complexes

Abstract

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