This was an interesting middle of the week: An JACS week, where a further 4 additions and corrections to papers all published this time by the Fukuyama group, appeared. Apparently again these were all due to removal of solvent and impurity peaks in the submitted NMR spectra linked to a series of natural product synthesis. I’ll say it again, “Now this is bad enough, but of course the removal of impurities leads to an improved yield when calculated by NMR, which creates a false impression of the experimental effectiveness”. Really this should not be expected to happen from departments in Japanese universities or any university for that matter. It’s as if re-submitting the true data makes everything OK, makes you wonder what else may be wrong here? Yet another unfortunate chapter this time in the in the pages of JACS.
I don’t read this journal every day to be mis-led by doctored data. Genuine errors and mistakes happen to everyone, but data manipulation not. What’s wrong with including solvent peaks and the odd impurity peak(s)? Nothing to be ashamed of, everyone has them in spectra. I hope that no more turn up.
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On digging a bit deeper here I noticed that some of these corrections are to papers that have been out there for 4 years or so.
What suddenly prompted a correction? I doubt that the Journal is trolling through mountains of NMR data looking for manipulated spectra, or?