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. |
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| Authors: | E Díaz H Barrios K Jankowski A Aumelas |
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| Institution: | 1. INSTITUTO DE QUIMICA U.N.A.M. CIRCUITO EXTERIOR C.U. , D.F., MEXICO , 04510;2. UNIVERSITE DE MONCTON, DEPARTMENT DE CHIMIE AND BIOCHIMIE , MONCTON, N.B., E1A 3E9, CANADA |
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| 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. |
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