1.
Magn Reson Chem
; 43(10): 864-6, 2005 Oct.
Article
in English
| MEDLINE
| ID: mdl-16025550
ABSTRACT
One- and two-dimensional NMR experiments were used for the unambiguous assignment of the (1)H and (13)C NMR chemical shifts of the furoquinoline alkaloid maculine (1) and the new furanocoumarin 3,8-dimethoxyfuro[3,2-g]coumarin (2).
Subject(s)
Coumarins/chemistry , Dioxoles/chemistry , Furans/chemistry , Magnetic Resonance Spectroscopy/methods , Magnetic Resonance Spectroscopy/standards , Quinolines/chemistry , Rutaceae/chemistry , Carbon Isotopes , Molecular Conformation , Protons , Reference Standards
2.
Magn Reson Chem
; 43(2): 180-3, 2005 Feb.
Article
in English
| MEDLINE
| ID: mdl-15562518
ABSTRACT
One- and two-dimensional NMR experiments were used for the unambiguous assignment of the 1H and 13C NMR chemical shifts of 3,3-diisopentenyl-N-methyl-2,4-quinoldione and five novel reaction derivatives.
