First isolation of a symmetrical glycosylated methylene bisflavonoid.
Blutaparon portulacoides (St. Hil.) Mears (= Philoxerus portulacoides St. Hil.) (Amaranthaceae) is a species occurring in the Brazilian coast in two botanical varieties. The chemical study of an ethanolic extract led to the isolation of spinacetin 3- O-robinobioside as well as an unique glycosylated pseudo-dimeric flavonoid identified as 8,8""-methylene bis(spinacetin 3- O-robinobioside) mainly by NMR analyses (1H, 1H- 1H COSY, 13C, HMQC, HMBC) and MALDI-TOF mass spectrometry.
De Oliveira
Daniela B
DB
de Almeida
Ana Paula
AP
De B  A  Simões
Gabriela L
GL
Auvin
Catherine
C
Kaiser
Carlos R
CR
Costa
Sônia S
SS
D027703:Amaranthaceae; D005419:Flavonoids / Q000737:chemistry*; D006031:Glycosylation; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008517:Phytotherapy; D010936:Plant Extracts / Q000737:chemistry*
D005419:Flavonoids; D010936:Plant Extracts