Arif Ullah

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Questions related from Arif Ullah

What methods can you recommend for separating trans and cis isomers of isoquinolinone, given my unsuccessful attempts with various solvent ratios?

I am synthesizing an organic compound (isoquinolinone) that has both trans and cis isomers, which are very similar in structure. Despite trying various solvent ratios for separation, I have not...

26 September 2024 1,128 1 View

How Can I Resolve a Persistent Unwanted NMR Peak at 1.25 ppm?

Hello everyone, I am facing a consistent issue in my NMR spectra with an unwanted peak appearing at 1.25 ppm. This peak seems to vary with the amount of sample: it becomes more pronounced with...

16 July 2024 9,428 4 View