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1H and 13C NMR spectra of N-substituted morpholines
Journal article   Peer reviewed

1H and 13C NMR spectra of N-substituted morpholines

Alan R Katritzky, Novruz G Akhmedov, Hongfang Yang and C Dennis Hall
Magnetic resonance in chemistry, Vol.43(8), pp.673-675
08/2005
DOI: https://doi.org/10.1002/mrc.1602
PMID: 15986500

Abstract

Carbon Isotopes Magnetic Resonance Spectroscopy - methods Magnetic Resonance Spectroscopy - standards Molecular Structure Morpholines - chemistry Protons Reference Values
(1)H and (13)C NMR data for N-substituted morpholines 1-20 were measured using 1D (DEPT, 1D NOE difference) and 2D NMR spectroscopic methods including (1)H-(1)H COSY, long-range (1)H-(1)H COSY, NOESY, gHMBC and gHMQC experiments. At room temperature the (1)H NMR spectra of protonated compounds 2 and 9 show the chair conformation for the morpholine ring. Spin-spin coupling constants were deduced from the resolution-enhanced proton spectra.

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