Hi Dr. Gemmecker,
I have some related questions on 15N. I have Bruker and PA BBO probe (with X
on the inner coil I assume). I'm looking to quantify levels of primary, secondary
and tertiary amine for polyamine （aliphatic） and its reaction
products. I've tried the standard 1H-15N 2D NMR experiments, but the HSQC didn't
work well, and got some data from HMBC.
Do you have any suggestions for 2D to assign the various amines (Bruker preset
experiments, pulse programs, parameters)?
Also if 2D is not quantitative, is it reliable to quantify 1, 2 amines using 1H
with the labile Hs, and using solvents such as DMSO and acetone?
Thank you and best regards,
Qi
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Received on Wed Apr 02 2025 - 08:27:12 MST