The Use of Heteronuclear Shift Correlation 19F-1H. The Chemical Shift Assignment of Fluorinated (mono, Bis, and tris Gem Difluoro) Cyclopropane Derivatives of Sesquiterpene Lactones.

E. Díaz,H. Barrios,K. Jankowski,A. Aumelas

The Use of Heteronuclear Shift Correlation 19F-1H. The Chemical Shift Assignment of Fluorinated (mono, Bis, and tris Gem Difluoro) Cyclopropane Derivatives of Sesquiterpene Lactones.

1994

E. Díaz
H. Barrios
K. Jankowski
A. Aumelas

Abstract The 19 F-1 H heterocorrelated NMR experiments enable the final assignments of structures of six difluorocyclopropane (mono, bis and tris gem) sesquiterpene lactones of helenalin and parthenin series.

Keywords:

Cyclopropane
Sesquiterpene
Carbon-13
NMR spectra database
Helenalin
Heteronuclear molecule
Tris
Lactone
Stereochemistry
Chemistry

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