Klaus R. Koch

Stellenbosch, WC 7602, South Africa

Last Updated: 09/26/2026

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Found 14 publications

Cobalt(III) Metallacryptates and Their Guest Cation-Exchange in Solution Monitored by 59Co NMR.

Cobalt(III) Metallacryptates and Their Guest Cation-Exchange in Solution Monitored by 59Co NMR.

Journal: Inorganic chemistry

Published: December 28, 2019

Reversible photo-isomerization of cis-[Pd(L-κS,O)2] (HL = N,N-diethyl-N'-1-naphthoylthiourea) to trans-[Pd(L-κS,O)2] and the unprecedented formation of trans-[Pd(L-κS,N)2] in solution.

Reversible photo-isomerization of cis-[Pd(L-κS,O)2] (HL = N,N-diethyl-N'-1-naphthoylthiourea) to trans-[Pd(L-κS,O)2] and the unprecedented formation of trans-[Pd(L-κS,N)2] in solution.

Journal: Dalton transactions (Cambridge, England : 2003)

Published: November 16, 2019

Spectrum of cutaneous lupus erythematosus in South Africans with systemic lupus erythematosus.

Spectrum of cutaneous lupus erythematosus in South Africans with systemic lupus erythematosus.

Journal: Lupus

Published: June 20, 2019

195Pt NMR and Molecular Dynamics Simulation Study of the Solvation of [PtCl6]2- in Water-Methanol and Water-Dimethoxyethane Binary Mixtures.

195Pt NMR and Molecular Dynamics Simulation Study of the Solvation of [PtCl6]2- in Water-Methanol and Water-Dimethoxyethane Binary Mixtures.

Journal: Inorganic chemistry

Published: September 15, 2018

Intrinsic 37/35Cl and 18/16O isotope shifts in 195Pt and 103Rh NMR of purely inorganic Pt and Rh complexes as unique spectroscopic fingerprints for unambiguous assignment of structure.

Intrinsic 37/35Cl and 18/16O isotope shifts in 195Pt and 103Rh NMR of purely inorganic Pt and Rh complexes as unique spectroscopic fingerprints for unambiguous assignment of structure.

Journal: Dalton transactions (Cambridge, England : 2003)

Published: June 23, 2017

A DFT study to unravel the ligand exchange kinetics and thermodynamics of Os(VIII) oxo/hydroxido/aqua complexes in aqueous matrices.

A DFT study to unravel the ligand exchange kinetics and thermodynamics of Os(VIII) oxo/hydroxido/aqua complexes in aqueous matrices.

Journal: Dalton transactions (Cambridge, England : 2003)

Published: March 19, 2016

Isotope effects in (195)Pt NMR spectroscopy: unique (35/37)Cl- and (16/18)O-resolved "fingerprints" for all [PtCl6-n(OH)n](2-) (n = 1-5) anions in an alkaline solution and the implications of the trans influence.

Isotope effects in (195)Pt NMR spectroscopy: unique (35/37)Cl- and (16/18)O-resolved "fingerprints" for all [PtCl6-n(OH)n](2-) (n = 1-5) anions in an alkaline solution and the implications of the trans influence.

Journal: Inorganic chemistry

Published: February 21, 2015

The fundamental flaw of the HSAB principle is revealed by a complete speciation analysis of the [PtCl(6-n)Br(n)](2-) (n = 0-6) system.

The fundamental flaw of the HSAB principle is revealed by a complete speciation analysis of the [PtCl(6-n)Br(n)](2-) (n = 0-6) system.

Journal: Physical chemistry chemical physics : PCCP

Published: January 28, 2015

Mechanism of tetrachloroplatinate(II) oxidation by hydrogen peroxide in hydrochloric acid solution.

Mechanism of tetrachloroplatinate(II) oxidation by hydrogen peroxide in hydrochloric acid solution.

Journal: Dalton transactions (Cambridge, England : 2003)

Published: December 24, 2013

Speciation of [Pt(IV) Cl6-n Brn]2- (n = 0-6) and some of their mono-aquated [Pt(IV) Cl5-n Brn (H2O)]- (n = 0-5) anions in solution at low concentrations by means of ion-pairing reversed-phase ultra-high-performance liquid chromatography coupled to electrospray ionization quadrupole time-of-flight mass spectrometry.

Speciation of [Pt(IV) Cl6-n Brn]2- (n = 0-6) and some of their mono-aquated [Pt(IV) Cl5-n Brn (H2O)]- (n = 0-5) anions in solution at low concentrations by means of ion-pairing reversed-phase ultra-high-performance liquid chromatography coupled to electrospray ionization quadrupole time-of-flight mass spectrometry.

Journal: Rapid communications in mass spectrometry : RCM

Published: August 27, 2013

Cation-π induced aggregation of water-soluble [Pt(II)(diimine)(L(n)-S,O)]+ complexes studied by 1H DOSY NMR and TEM: from 'dimer aggregates' in acetonitrile to nano-aggregates ('metallogels') in water.

Cation-π induced aggregation of water-soluble [Pt(II)(diimine)(L(n)-S,O)]+ complexes studied by 1H DOSY NMR and TEM: from 'dimer aggregates' in acetonitrile to nano-aggregates ('metallogels') in water.

Journal: Dalton transactions (Cambridge, England : 2003)

Published: December 06, 2012

(35/37)Cl and (16/18)O isotope resolved 195Pt NMR: unique spectroscopic 'fingerprints' for unambiguous speciation of [PtCl(n)(H2O)(6-n)](4-n) (n = 2-5) complexes in an acidic aqueous solution.

(35/37)Cl and (16/18)O isotope resolved 195Pt NMR: unique spectroscopic 'fingerprints' for unambiguous speciation of [PtCl(n)(H2O)(6-n)](4-n) (n = 2-5) complexes in an acidic aqueous solution.

Journal: Dalton transactions (Cambridge, England : 2003)

Published: August 04, 2012

Showing 1-12 of 14

Last Updated: 09/26/2026