Korban Oosthuizen

6 Questions 3 Answers 0 Followers

Questions related from Korban Oosthuizen

What can cause incorrect integration of certain peaks in HNMR of a pure compound?

I have a macrocyclic complex which is a 1,6-diazacyclodecane which is functionalized with alkyl groups on the amines. I only see one peak on the mass spec so I do not believe there are secondary...

05 April 2024 3,709 5 View

Is there an easier/better way of synthesizing the diamide, diamine compound in the image than the route which I have proposed?

I want to synthesize the amide functionalised diamine in the image which I have attached. The image shows the route I am considering, but I was wondering if any of the synthetic chemists out there...

29 May 2023 9,298 7 View

Deprotonation of highly basic tertiary amine in the presence of an ester functional group?

I have a tertiary amine compound that also has a methyl ester functional group. The amine seems to be highly basic and exists mainly as the protonated form. I need to deprotonate it in order to...

14 July 2022 8,769 10 View

Potentiometric titration of ternary metal complexes involving a redox reaction?

I was hoping for some advice regarding potentiometry. I am working with ternary complexes of Cu(II) involving bidentate N-donor and O-donor ligands. I want to do potentiometric (pH-metric)...

22 January 2019 8,055 3 View

NMR of Paramagnetic Metal Complexes?

Good day Does anybody have experience with performing NMR on paramagnetic transition metal complexes, in particular Copper(II)? How large are the shifts? How hardcore is the mathematics involved?...

28 November 2018 9,900 6 View

Using Hyperquad software to determine stability constants and to generate speciation curves for ternary metal complexes?

Hi I have been doing some potentiometric (pH-metric) titrations on copper complexes with two different bidentate ligands and I need to determine the stability constants and generate speciation...

24 October 2018 3,300 1 View