Lignans from the bark extract of Pinus sylvestris L.
Three lignans were isolated from a bioactive fraction of the 70% aqueous acetone extract of the pine (Pinus sylvestris L.) bark. Their structures were identified by high-resolution positive ion EI mass spectrometry and NMR spectroscopy. The complete assignment of proton and carbon signals was achieved by 2D NMR experiments: HSQC, HMBC, DQF-COSY and NOESY.
Laboratory of Organic Chemistry and Chemical Biology, Department of Chemistry, University of Turku, Vatselankatu 2, FI-20014 Turku, Finland. jari.sinkkonen@utu.fi
Jari
J
Sinkkonen
Maarit
M
Karonen
Jaana
J
Liimatainen
Kalevi
K
Pihlaja
D015107:4-Butyrolactone / Q000031:analogs & derivatives* / Q000737:chemistry; D000096:Acetone / Q000737:chemistry; D001572:Benzofurans / Q000737:chemistry*; D006139:Guaiacol / Q000031:analogs & derivatives* / Q000737:chemistry; D017705:Lignans / Q000737:chemistry* / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D041605:Pinus sylvestris / Q000737:chemistry*; D010936:Plant Extracts / Q000737:chemistry; D011409:Propylene Glycols / Q000737:chemistry*; D021241:Spectrometry, Mass, Electrospray Ionization; D014867:Water / Q000737:chemistry
C522469:1-(4-hydroxy-3-methoxyphenyl)-2-(4-(3-hydroxypropyl)-2-methoxyphenoxy)propane-1,3-diol; C522470:4-(3-hydroxymethyl-5-(3-hydroxypropyl)-2,3-dihydrobenzofuran-2-yl)-2-methoxyphenol; D001572:Benzofurans; D017705:Lignans; D010936:Plant Extracts; D011409:Propylene Glycols; C522471:pinopalustrin; D014867:Water; D000096:Acetone; D006139:Guaiacol; D015107:4-Butyrolactone