13C NMR spectroscopy of some third-generation cephalosporins, their synthetic intermediaries and reaction byproducts.

Authors :: López MA
Rodríguez Z
González M
Tolón B
Avila R
Rodríguez JC
Vélez-Castro H
Fini A
Source :: Magnetic resonance in chemistry : MRC [Magn Reson Chem] 2007 Mar; Vol. 45 (3), pp. 236-9.
Publication Year :: 2007
Abstract: (13)C NMR spectroscopic data for 25 cephalosporin derivatives were assigned by combination of one- and two-dimensional experiments. The effect of the substitution at C-3, C-7 and C-4 acid group positions on the chemical shifts of the cephem nucleus is discussed.<br /> (Copyright (c) 2007 John Wiley & Sons, Ltd.)

Subjects :: Carbon Isotopes
Magnetic Resonance Spectroscopy standards
Molecular Structure
Reference Standards
Sensitivity and Specificity
Cephalosporins chemistry
Magnetic Resonance Spectroscopy methods

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