1.
J Nat Prod
; 52(6): 1316-8, 1989.
Article
in English
| MEDLINE
| ID: mdl-2614423
ABSTRACT
Sigmoidin F, a new prenylated flavanone, as well as abyssinone IV and 5,7,4'-trihydroxy-3'-methoxy-5'-(1"-prenyl) flavonone have been isolated from the stem and bark of Erythrina sigmoidea. The structure of 1 has been confirmed by a combination of 1H-nmr and other spectroscopic techniques.
Subject(s)
Erythrina/analysis , Flavonoids/isolation & purification , Plants, Medicinal/analysis , Terpenes/isolation & purification , Molecular Structure , Spectrum Analysis
2.
J Nat Prod
; 52(2): 417-9, 1989.
Article
in English
| MEDLINE
| ID: mdl-2746263
ABSTRACT
Garcinia epuctata is an indigenous medicinal plant of Cameroon from which taxifolin 6-C-glucoside was isolated and characterized. The nmr assignments obtained from COSY and INAPT experiments are reported for the first time.
Subject(s)
Flavonoids/isolation & purification , Glucosides/isolation & purification , Glycosides/isolation & purification , Plants, Medicinal/analysis , Quercetin/isolation & purification , Glucosides/analysis , Magnetic Resonance Spectroscopy , Quercetin/analogs & derivatives , Quercetin/analysis
3.
J Nat Prod
; 51(3): 611-3, 1988.
Article
in English
| MEDLINE
| ID: mdl-3404157
4.
J Nat Prod
; 49(5): 932-3, 1986.
Article
in English
| MEDLINE
| ID: mdl-3819737
