New Phenolic Glycosides from the Seeds of Cucurbita moschata
Copyright policy )New Phenolic Glycosides from the Seeds of Cucurbita moschata
Five new phenolic glycosides, cucurbitosides A-E (1-5), were isolated from the seeds of Cucurbita moschata. Their structures were elucidated as 2-(4-hydroxy)phenylethanol 4-O-(5-O-benzoyl)-beta-D-apiofuranosyl(1-->2)-beta-D-glucopyranoside (1), 2-(4-hydroxyphenyl)ethanol 4-O-[5-O-(4-hydroxy)benzoyl]-beta-D-apiofuranosyl(1-->2)-beta-D-glucopyranoside (2), 4-hydroxybenzyl alcohol 4-O-(5-O-benzoyl)-beta-D-apiofuranosyl(1-->2)-beta-D-glucopyranoside (3), 4-hydroxybenzyl alcohol 4-O-[5-O-(4-hydroxy)benzoyl]-beta-D-apiofuranosyl(1-->2)-beta-D-glucopyranoside (4) and 4-hydroxyphenyl 5-O-benzoyl-beta-D-apiofuranosyl(1-->2)-beta-D-glucopyranoside (5) on the basis of spectroscopic analysis and chemical evidence.
- Tohoku University Japan
- Toho University Japan
Magnetic Resonance Spectroscopy, Spectrophotometry, Infrared, Hydrolysis, Molecular Sequence Data, Molecular Conformation, Spectrometry, Mass, Fast Atom Bombardment, Carbohydrate Sequence, Cucurbita, Phenols, Seeds, Spectrophotometry, Ultraviolet, Glycosides
Magnetic Resonance Spectroscopy, Spectrophotometry, Infrared, Hydrolysis, Molecular Sequence Data, Molecular Conformation, Spectrometry, Mass, Fast Atom Bombardment, Carbohydrate Sequence, Cucurbita, Phenols, Seeds, Spectrophotometry, Ultraviolet, Glycosides
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