An application of the INEPT pulse sequence to the NMR assignment of halogenated marine natural products

The routine use of the INEPT pulse sequence is shown to be the method of choice for the assignment of multiplicity from 13C NMR spectra where no prior information about the 1J(CH) coupling constants is available, or where these are expected to vary over a large range. This technique is illustrated u...

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Veröffentlicht in:	Organic Magnetic Resonance 1983-09, Vol.21 (9), p.544-547
Hauptverfasser:	Brownlee, R. T. C., Hall, J. G., Reiss, J. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic and molecular physics Exact sciences and technology Molecular properties and interactions with photons Nuclear resonance and relaxation Physics
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The routine use of the INEPT pulse sequence is shown to be the method of choice for the assignment of multiplicity from 13C NMR spectra where no prior information about the 1J(CH) coupling constants is available, or where these are expected to vary over a large range. This technique is illustrated using spectra obtained from polyhalogenated monoterpenes isolated from the red alga Plocamium angustum, which have 1J(CH) values varying from 127 to 203 Hz.
ISSN:	0030-4921 1097-458X
DOI:	10.1002/omr.1270210905