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AI InsightThe structures of the isolates were established by 1D and 2D NMR spectroscopy in combination with IR, UV and MS analysis.
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Özet
From the methanolic extract of the underground parts of Globularia cordifolia, a new neolignan diglycoside, dehydrodiconiferyl alcohol 9-O-b -D-glucopyranosyl-(1 \to 2)-b -D-glucopyranoside (1) was isolated along with a known neolignan glycoside, dehydrodiconiferyl alcohol 9-O-b -D-glucopyranoside (2). In addition, 2 flavone glycosides, chrysoeriol 7-O-b -D-allopyranosyl-(1 \to 2)-b -D-glucopyranoside (3), stachyspinoside (4) and 5 phenylethanoid glycosides, verbascoside (5), isoverbascoside (6), leucosceptoside A (7), martynoside (8) and rossicaside A (9) were obtained and characterized. The structures of the isolates were established by 1D and 2D NMR spectroscopy in combination with IR, UV and MS analysis.
Abstract
From the methanolic extract of the underground parts of Globularia cordifolia, a new neolignan diglycoside, dehydrodiconiferyl alcohol 9-O-b -D-glucopyranosyl-(1 \to 2)-b -D-glucopyranoside (1) was isolated along with a known neolignan glycoside, dehydrodiconiferyl alcohol 9-O-b -D-glucopyranoside (2). In addition, 2 flavone glycosides, chrysoeriol 7-O-b -D-allopyranosyl-(1 \to 2)-b -D-glucopyranoside (3), stachyspinoside (4) and 5 phenylethanoid glycosides, verbascoside (5), isoverbascoside (6), leucosceptoside A (7), martynoside (8) and rossicaside A (9) were obtained and characterized. The structures of the isolates were established by 1D and 2D NMR spectroscopy in combination with IR, UV and MS analysis.