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13C-NMR assignments for methyls and muaternary carbons of the limonoid obacunone

The high field 1H and 13C resonances of obacunone were established by a series of 1D and 2D NMR experiments. The 13C-NMR signals of the five tertiary methyl groups and all quatenary carbons were unambiguously assigned. The results confirm the stereochemical assignments at alI stemgenic centres.

Main Authors: Rugutt, J.K., Fischer, N.H., Nauman, M.A., Schmidt, T.J., Berner, D.K.
Format: Journal Article
Language:Inglés
Published: 1996
Subjects:
simaroubaceae
spectroscopy
nuclear magnetic resonance spectroscopy
Online Access:https://hdl.handle.net/10568/180395
Summary:The high field 1H and 13C resonances of obacunone were established by a series of 1D and 2D NMR experiments. The 13C-NMR signals of the five tertiary methyl groups and all quatenary carbons were unambiguously assigned. The results confirm the stereochemical assignments at alI stemgenic centres.

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