Sorry - I should've added: I am using a two channel Varian-400 with a 4-nucleus probe (no gradients or special hardware like waveform generators) and the sample has 13C and 15N at natural abundance.
________________________________
From: Craig Grimmer
Sent: Tuesday, July 24, 2012 8:44 PM
To: ammrl_at_ammrl.org
Subject: AMMRL: Any advice on measuring long-range 1H-13C and 1H-15N coupling constants?
Hello AMMRL
Does anyone have any suggestions or advice on measuring long-range H-C and H-N coupling constants? Specifically, I'm looking to measure three bond H-C and H-N coupling constants, H to quaternary carbon and H to amide nitrogen (the same H atom).
I have a limited amount of sample that isn't all that stable in solution so I can't afford to speculate.
Thank-you,
Craig.
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Received on Tue Jul 24 2012 - 10:45:07 MST