I'm studying the transcarbonation reaction of glycerol to glycerol carbonate. I have read good papers about this issue, but the problem is that the glycerol -CH- peak in my spectra is absent. The other peaks for glycerol are present as a singlet. So, I can't calculate the yield based in the relative intensity -CH- of glycerol by -CH- intensity of glycerol carbonate. How I can solve this problem? The relative intensity of the other peaks of glycerol by -CH- intensity of glycerol carbonate can be considerated for this evaluation?
IF there is no longer a CH signal in your product spectra, the question is whether you really have glycerol or glycerol carbonate in your system. Before you start quantification and yield calculation, you must do a qualitative analysis to make clear which compounds are present.
Your may also be interested in reading a discussion about the glycerol spectrum at:
https://www.researchgate.net/post/Can-you-please-give-me-any-reference-or-an-explanation-on-the-splitting-tree-with-coupling-constant-for-glycerol-proton-NMR?
Thank you very much for your answer, Dr. Baumann. I Will follow that discussion.
Besta Regards