Hi,
Before trying the way less sensitive HOESY did you try the way more sensitive H/F- (and/or F/H)
HETCOR experiments on a compound showing a strong H-F coupling to make sure all tuning,
filters etc. are correct? Then try HOESY on the same compound - it shouldshow a strong NOE. O
Only then go to more “interesting” samples.
Good luck,
Bert
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