Protoflavanones from the Wood Stem of Salvertia convallariodora

Phytochemical analysis of the ethyl acetate extract of stem wood of Salvertia convallariodora A. St.-Hil. (Vochysiaceae), a Brazilian Cerrado species, led to the isolation and full characterization of three new non-aromatic B-ring flavanones (1-3) as well as the terpene mixture of sericic acid (4),...

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Bibliographic Details
Published in:Natural product communications 2017-04, Vol.12 (4), p.515-518
Main Authors: de Mesquita, Mariana L., de Paula, José E., Espindola, Laila S., Soares, Luiz A. L., da Silva, Tania M. G., Camara, Celso A., Da Silva, Telma M. G.
Format: Article
Language:English
Subjects:
Brazil
Flavanones - chemistry
Flavanones - isolation & purification
Magnetic Resonance Spectroscopy
Molecular Structure
Myrtales - chemistry
Plant Extracts - chemistry
Plant Extracts - isolation & purification
Plant Stems - chemistry
Tandem Mass Spectrometry
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Summary:Phytochemical analysis of the ethyl acetate extract of stem wood of Salvertia convallariodora A. St.-Hil. (Vochysiaceae), a Brazilian Cerrado species, led to the isolation and full characterization of three new non-aromatic B-ring flavanones (1-3) as well as the terpene mixture of sericic acid (4), 24-hydroxytormentic acid (5), 24-hydroxytormentic acid glucosyl ester (6), and sericoside (7), all identified for the first time from S. convallariodora. The structures of the new flavanones (1-3) were established from IR, LC-PDA-qTOF-MS, and NMR spectral data, including 2D NMR experiments.
ISSN:1934-578X
1555-9475
DOI:10.1177/1934578X1701200413